Acids, Bases and Salts
- Aqueous solution of sodium carbonate is alkaline in nature. Explain why?
- Why should curd and sour substances not to be kept in brass and copper vessels?
- Which gas is usually liberated when an acid reacts with a metal?
- Why does dry HCL gas does not change the colour of dry litmus paper?
- Tap water conducts electricity whereas distilled water does not. Why?
- What are acids?
- Give features of acids?
- What are indicators?
- What are universal indicators?
- What are bases?
- Explain reaction of a Non-metallic oxide with base?
- What is Plaster of Paris?
- Enlist uses of Plaster of Paris?
- Give uses of Washing soda?
- How to prepare Washing soda?
- How to prepare Bleaching powder?
- Give uses of Bleaching powder?
- What is the effect of heat on baking soda?
- What is baking soda? How it is known chemically?
- Give the chemical name of washing soda?
- Give two examples of hydrated salt which are white and state their chemical formula?
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