Recent Questions
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Among Sulphurous Acid And Sulphuric Acid, Which Is Stronger And Why?
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Give Reasons: (i) Use Of A Mild Base (ii) Baking Powder Is Added To Make (iii) The Colour Of Blue Copper Sulphate
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What Happens When An Acid Or A Base Is Added To The Water?
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Write Down The Net Ionic Equation For The Reaction Of Sodium Hydroxide With Hydrochloric Acid
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The PH Of A Sample Of Vegetable Soup Was Found To Be 6.5. How Is This Soup Likely To Taste?
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Why Blue Colour Of Copper Sulphate Crystals Disappears On Heating?
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Name An Acid Which Is Present In Baking Powder.
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Name The Chemicals Used In Making Fire Extinguisher.
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Which Acid Is Present In Vinegar?
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Common Salt Besides Being Used In Kitchen Can Also Be Used As The Raw Material For Making
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Match The Chemical Substances Given In Column (I) With Their Appropriate Application Given In Column (II).
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Which Of The Following Statement Is Not Correct?
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A Metal Carbonate X On Heating With An Acid Gives A Gas Which When Passed Through A Solution Y Gives The Carbonate Back
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(i) What Is Meant By PH (ii) Two Solutions A And B Have PH Values Of 3.0 And 9.5 Respectively. (iii) Water Is A Neutral Susbtance
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(i) Write Three Physical Properties Each Of Acids And Bases. (ii) How Will You Show With An Example
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Give One Example In Each Case:
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How Is Plaster Of Paris Chemically Different From Gypsum? How Can They Be Interconverted?
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A Student Prepared Solutions Of (i) An Acid And (ii) A Base In Two Separate Beakers.
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In One Of The Industrial Processes Used For The Manufacture Of Sodium Hydroxide, A Gas X Is Formed As By - Product
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A Dry Pellet Of A Common Bases B When Kept In Open Absorbs Moisture And Turns Sticky.
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Write The Name And Formula Of Each Of The Following
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A Substance X Is Used As A Building Material And Insoluble In Water.
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Answer The Following: (i) Why Is Sodium Hydrogen Carbonate An Essential (ii) When Electricity Is Passed Through An Aqueous Solution Of
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