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Acid Bases and Salts

Indicators

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 What is an indicator? Question 2 Name the common indicators used to test acid, bases and salts? Question 3 What are olfactory indicators. Give examples? Question 4 What is the colour of Phenolphthalein in acidic and basic medium? Question 5 What is the colour of methyl orange in acidic and basic medium? Acid, Bases and Salts On the basis of chemical … [Read more...] about Indicators

Water of crystallisation

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 What is meant by water of crystallisation? Give example? Question 2 What are hydrated salts? Question 3 What are anhydrous salts? Question 4 Name a compound which contains two molecules of water of crystallisation? Question 5 Why copper sulphate is blue in colour? Water Of Crystallisation The water molecules which form part of the structure of a … [Read more...] about Water of crystallisation

Plaster of Paris

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

plaster of paris class 10

Question 1 Write the chemical formula and name of plaster of paris?  Question 2 What is gypsum?  Question 3 Name the calcium compound which hardens on wetting with water?  Question 4 What will happen if heating is not controlled while preparing plaster of paris?  Question 5 Name the compound which is used in hospitals for setting fracture bones?  Question 6 How … [Read more...] about Plaster of Paris

Bleaching Powder

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Preparation of bleaching powder

Question 1 A white powdery substance having strong smell of chlorine is used for disinfecting drinking water supply at water works. Identify the substance? Question 2 Write the chemical name and formula of bleaching powder? Question 3 How is bleaching powder prepared. Give the chemical equation? Question 4 State uses of bleaching powder? Question 5 List few … [Read more...] about Bleaching Powder

Baking Soda

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Preparation of Baking Soda

Question 1 Write the chemical name and formula of baking soda? Question 2 Give uses of baking soda? Question 3 Describe how baking soda is produced on a large scale? Question 4 Name the gas evolved when baking soda is heated? Question 5 What is baking powder? Question 6 Give few properties of baking powder? Baking Soda The chemical name of baking soda is … [Read more...] about Baking Soda

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