Recent Questions
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(i) A Chemical Compound X Is Used In (ii) How Many Molecules Of Water Of (iii) How Will You Prepare The Above Compound
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In The Following Schematic Diagram For The Preparation Of Hydrogen Gas As Shown In The Figure
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(i) Define A Universal Indicator (ii) Solution A Gives Pink Colour (iii) Name One Salt Whose Solution Has PH
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Assertion : On Heating, Gypsum Gets Converted Into Plaster Of Paris. Reason : Gypsum Loses Water Molecules On Heating At 373 K Temperature
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Assertion : The PH Of Sodium Chloride Solution Is Seven Reason : Salt Of Strong Acid And A Strong Base Are Acidic In Nature
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The PH Of A Solution Is 5.0. Its Hydrogen Ion Concentration Is Decreased By 100 Times, The Solution Will Be:
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The PH Of A Solution Is 4.0. What Should Be The Change In The Hydrogen Ion Concentration Of The Solution, If Its PH Is To Be Increased To 5.0.
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An Acid (A) With Sodium Hydrogencarbonate Is Used In Making The Cakes Fluffy And Spongy
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The Organic Acid Present In Tomato Is
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In One Of The Industrial Processes Used For Manufacture Of Sodium Hydroxide, A Gas X Is Formed As By-product.
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Consider The Following Reaction
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Acetic Acid Was Added To A Solid X Kept In A Test Tube. A Colourless And Odourless Gas Was Evolved.
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Aqueous Solution Of Copper Sulphate Reacts With Aqueous Ammonium Hydroxide Solution To Give
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Fill In The Missing Data In The Given Table
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Identify The Compound X On The Basis Of The Reactions Given Below.
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State In Brief The Method Of Preparation Of Bleaching Powder
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Explain Why Is Hydrochloric Acid Is Called, A Strong Acid And Acetic Acid, A Weak Acid? How Can It Be Verified?
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Give Reason Why Solution Of Sulphuric Acid Conduct Electricity Whereas, Alcohol Does Not.
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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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