Chemistry
Related Questions
From the knowledge of activity series, name a metal which shows the following properties:
(i) It reacts readily with cold water
(ii) It displaces hydrogen from hot water
(iii) It displaces hydrogen from dilute HCl
(iv) It forms a base which is insoluble in water.
Complete the following word equations:
(a) Sodium hydroxide + zinc ⟶ hydrogen + ……………
(b) Calcium + water ⟶ calcium hydroxide + ……………
Which metal produces hydrogen gas on reaction with cold water?
- Al
- Fe
- Pd
- Na
The composition of the nucleus of deuterium is:
- 1e– and 1P
- 1P and 1n
- 1n and 1e
- 2P and 1e–