PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. 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.
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