Chemistry
Write balanced equation to satisfy each statement.
(a) Acid + Active metal ⟶ Salt + Hydrogen
(b) Acid + Base ⟶ Salt + Water
(c) Acid + carbonate or bicarbonate ⟶ Salt + water + carbon dioxide
(d) Acid + sulphite or bisulphite ⟶ Salt + water + sulphur dioxide
(e) Acid + sulphide ⟶ Salt + hydrogen sulphide
Related Questions
(a) Dry HCl gas does not change the colour of dry litmus paper. Why?
(b) Is PbO2 a base or not? Comment.
(c) Do basic solutions also have H+(aq.) ? Explain why are they basic by taking an example?
How would you obtain:
(a) a base from another base,
(b) an alkali from a base,
(c) salt from another salt?
The skin has and needs natural oils. Why it is advisable to wear gloves while working with strong alkalis?
Complete the table:
Indicator Neutral Acidic Alkaline Litmus Purple ………. ………. Phenolphthalein Colourless ………. ……….