Thermal decomposition of sodium carbonate will produce
- ✓Carbon dioxide
- BOxygen
- CSodium hydroxide
- DNo other product
Answer: A.
View full solution →94 questions across 6 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.
MCQ
4 Q→02[1 Mark Question Answer]
55 Q→03[2 Mark Question Answer]
25 Q→04[3 Mark Question Answer]
5 Q→05[5 Mark Question Answer]
1 Q→06Fill in the blanks.
4 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: A.
View full solution →Answer: D.
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View full solution →Answer: B.
View full solution →| A . $\mathrm{Zn}_{(\mathrm{s})}+\mathrm{H}_2 \mathrm{SO}_{4(\mathrm{aq})} \rightarrow \mathrm{ZnSO}_{4(\mathrm{aq})}+\mathrm{H}_{2(\mathrm{~g})}$ | i. Photochemical decomposition |
| B . $ 2 \mathrm{AgCI}(\mathrm{s}) \xrightarrow{\text { Sunlight }} 2 \mathrm{Ag}(\mathrm{s})+\mathrm{CI}_2(\mathrm{~g}) $ | ii. Thermal decomposition |
| C . $2 \mathrm{KCI} \xrightarrow{\text { Electricity }} 2 \mathrm{~K}+\mathrm{CI}_2$ | iii. Displacement reaction |
| D . $2 \mathrm{HgO}(\mathrm{s}) \xrightarrow{\Delta} 2 \mathrm{Hg}(\mathrm{s})+\mathrm{O}(\mathrm{g})$ | iv. Electrolytic decomposition |
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