PDF chapter test TRY NOW
1. Complete the missing components/variables given as 'x' and 'y' in the following reactions.
\(Zn\)(s) + \(H_2SO_4\)(aq) → \(ZnSO_4\)(x) + \(H_2\)(y)
\(Zn\)(s) + \(H_2SO_4\)(aq) →
In the above reaction, \(x\) is the state of zinc sulphate, and \(y\) is hydrogen's state.
2. Which among the following changes are exothermic or endothermic in nature?
Dissolution of sodium hydroxide in water.
\(NaOH\) + \(H_2O\) → \(Na^+\) + \(OH^−\) + \(H_2O\) +
The dissolution of sodium hydroxide in water is because it involves the evolution of heat.
Register for free to see more content