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Heather 1 Year Ago

A Concave Lens Made Of A Material Of Refractive Index

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Light : Reflection And Refraction
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Modified 1 Year Ago Heather
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Joan 1 Year Ago

A Concave Mirror Of Focal Length F Can Form A Magnified, Erect As Well As An Inverted Image Of An Object Place In Front Of It.

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Why Is It More Appropriate To Compare The Process Of Evolution With Branches Of A Tree Rather Than With A Ladder?

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Modified 1 Year Ago Megan
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Zoe 1 Year Ago

Name Any Five Vegetables Generated From A Common Ancestor Through Artificial Selection Rather Than Natural Selection.

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Modified 1 Year Ago Zoe
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Gavin 1 Year Ago

How And Why Did Human Race Spread From Africa To Other Parts Of The World?

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Modified 1 Year Ago Gavin
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Elizabeth 1 Year Ago

(i) If, We Cut The Tail Of A Mouse, Will Tail Occur In The Next Generation Of That Mouse (ii) What Are The Features That Archaeopteryx Had In Common To The Reptiles?

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Modified 1 Year Ago Elizabeth
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Leela 1 Year Ago

(i) Identify The Organisms A And B (ii) How Will An Organism Be Benefitted (iii) Mention The Two Asexual Methods By Which Hydra Can Reproduce.

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How Do Organism Reproduce
How Do Organisms Reproduce?
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Modified 1 Year Ago Leela
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Dominic 1 Year Ago

What Is Placenta? Describe Its Structure. State Its Functions In Case Of Pregnant Human Female.

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Modified 1 Year Ago Dominic
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Connor 1 Year Ago

(i) Name The Parts A To E Of Human Female Reproductive System. (ii) Name The Part In Which Fertilisation Takes Place In This System?

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Modified 1 Year Ago Connor
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Jake 1 Year Ago

In A Bisexual Flower Inspite Of The Young Stamens Being Removed Artificially

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How Do Organism Reproduce
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Modified 1 Year Ago Jake
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Wendy 1 Year Ago

Ravi Took Three Bread Slices And Kept Them In The Following Conditions

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Modified 1 Year Ago Wendy
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Brian 1 Year Ago

How Can Preganancy Be Prevented Surgically?

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Modified 1 Year Ago Brian
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Alexandra 1 Year Ago

What Is The Functional Difference Between Four-chambers Of The Heart?

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Modified 1 Year Ago Alexandra
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Natalie 1 Year Ago

What Is Translocation? Why Is It Essential For Plants?

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Modified 1 Year Ago Natalie
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Anthony 1 Year Ago

Four Elements P, Q, R And S Have Atomic Numbers 12, 13, 14 And 15 Respectively.

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Modified 1 Year Ago Anthony
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Elizabeth 1 Year Ago

The Electronic Configuration Of An Element X Is 2, 8, 8, 2.

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Modified 1 Year Ago Elizabeth
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Carol 1 Year Ago

The Possition Of Three Elements X, Y And Z In The Periodic Table Is Given Below.

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Modified 1 Year Ago Carol
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Neil 1 Year Ago

Atoms Of Seven Elements A, B, C, D, E, F And G Have Different Number Of Electronic Shells But Have The Same Number Of Electrons In Their Outermost Shells.

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Modified 1 Year Ago Neil
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Tim 1 Year Ago

Atomic Radii Of The Elements Of The Second Period Are Given Below

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Modified 1 Year Ago Tim
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Audrey 1 Year Ago

The Elements Li, Na And K Each Having One Valence Electron, Are In Periods 2, 3 And 4 Respectively Of Modern Periodic Table

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Modified 1 Year Ago Audrey
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Siddharth 1 Year Ago

Lithium Is An Alkali Metal With Atomic Number = 3 And Number Of Valence Electron Is 1.

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Modified 1 Year Ago Siddharth
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Wendy 1 Year Ago

The Following Table Shows The Positions Of Four Elements A, B, C And D In The Periodic Table

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Modified 1 Year Ago Wendy
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Jessica 1 Year Ago

An Element Y Has A Total Of Three Shells, With Six Electrons In Its Valence Shell.

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Modified 1 Year Ago Jessica
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Theresa 1 Year Ago

An Element Y Has A Total Of Three Shells With Four Electrons In Its Valence Shell

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Modified 1 Year Ago Theresa
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Max 1 Year Ago

An Element Has Same Number Of Electrons In I And IV Shells And In The II And III Shells

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Modified 1 Year Ago Max
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Tim 1 Year Ago

(i) An Element X Has Both The Shells (ii) In Which Group Of The Periodic Table (iii) Write Its Electronic Configuration

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Modified 1 Year Ago Tim
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Kevin 1 Year Ago

(i) How Does Electronic Configuration Of An Atom (ii) Which Element Has A Total Of Three Shells

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Modified 1 Year Ago Kevin
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Leah 1 Year Ago

Which Of The Following Elements Belong To (i) Same Period? (ii) Same Group Explain Giving Reason.

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Modified 1 Year Ago Leah
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Audrey 1 Year Ago

Atomic Number Of Three Elements X,Y And Z Are Given Below

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Modified 1 Year Ago Audrey
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Pippa 1 Year Ago

Give The Reaction For The Hydrogenation Of Unsaturated Carbon Compounds.

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Modified 1 Year Ago Pippa

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A Concave Lens Made Of A Material Of Refractive Index

A Concave Mirror Of Focal Length F Can Form A Magnified, Erect As Well As An Inverted Image Of An Object Place In Front Of It.

Why Is It More Appropriate To Compare The Process Of Evolution With Branches Of A Tree Rather Than With A Ladder?

Name Any Five Vegetables Generated From A Common Ancestor Through Artificial Selection Rather Than Natural Selection.

How And Why Did Human Race Spread From Africa To Other Parts Of The World?

(i) If, We Cut The Tail Of A Mouse, Will Tail Occur In The Next Generation Of That Mouse (ii) What Are The Features That Archaeopteryx Had In Common To The Reptiles?

(i) Identify The Organisms A And B (ii) How Will An Organism Be Benefitted (iii) Mention The Two Asexual Methods By Which Hydra Can Reproduce.

What Is Placenta? Describe Its Structure. State Its Functions In Case Of Pregnant Human Female.

(i) Name The Parts A To E Of Human Female Reproductive System. (ii) Name The Part In Which Fertilisation Takes Place In This System?

In A Bisexual Flower Inspite Of The Young Stamens Being Removed Artificially

Ravi Took Three Bread Slices And Kept Them In The Following Conditions

How Can Preganancy Be Prevented Surgically?

What Is The Functional Difference Between Four-chambers Of The Heart?

What Is Translocation? Why Is It Essential For Plants?

Four Elements P, Q, R And S Have Atomic Numbers 12, 13, 14 And 15 Respectively.

The Electronic Configuration Of An Element X Is 2, 8, 8, 2.

The Possition Of Three Elements X, Y And Z In The Periodic Table Is Given Below.

Atoms Of Seven Elements A, B, C, D, E, F And G Have Different Number Of Electronic Shells But Have The Same Number Of Electrons In Their Outermost Shells.

Atomic Radii Of The Elements Of The Second Period Are Given Below

The Elements Li, Na And K Each Having One Valence Electron, Are In Periods 2, 3 And 4 Respectively Of Modern Periodic Table

Lithium Is An Alkali Metal With Atomic Number = 3 And Number Of Valence Electron Is 1.

The Following Table Shows The Positions Of Four Elements A, B, C And D In The Periodic Table

An Element Y Has A Total Of Three Shells, With Six Electrons In Its Valence Shell.

An Element Y Has A Total Of Three Shells With Four Electrons In Its Valence Shell

An Element Has Same Number Of Electrons In I And IV Shells And In The II And III Shells

(i) An Element X Has Both The Shells (ii) In Which Group Of The Periodic Table (iii) Write Its Electronic Configuration

(i) How Does Electronic Configuration Of An Atom (ii) Which Element Has A Total Of Three Shells

Which Of The Following Elements Belong To (i) Same Period? (ii) Same Group Explain Giving Reason.

Atomic Number Of Three Elements X,Y And Z Are Given Below

Give The Reaction For The Hydrogenation Of Unsaturated Carbon Compounds.

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