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प्रश्न
Write correctly the balanced equation for the following:
‘When zinc filings are added to a concentrated solution of sodium hydroxide’.
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उत्तर
\[\ce{Zn + 2NaOH ->\underset{\text{[sodium zincate]}}{Na2ZnO2} + H2}\]
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संबंधित प्रश्न
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MULTIPLE CHOICE QUESTIONS
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- Cavendish
- Lavoisier
- Haber
- none of these
FILL IN THE BLANK
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| 1. An atom of hydrogen | A: Chromic oxide |
| 2. A strong oxidising agent | B: Ammonia |
| 3. A promoter used in Bosch process | C: Iron |
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| 5. The catalyst used in production of a basic gas from nitrogen. | E: Dilute nitric acid |
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Name a gas which burns in air or oxygen forming water.
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Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
