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प्रश्न
The chemical change is ______.
विकल्प
water to clouds
growth of a tree
cow dung to bio-gas.
ice-cream to molten ice-cream.
उत्तर
The chemical change is cow dung to bio-gas.
APPEARS IN
संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer
Which of the following is a reducing agent?
- oxygen
- chlorine
- hydrogen
- none of these
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction is a chemical reaction in which there is
- removal of hydrogen
- removal of oxygen
- addition of oxygen
- none of these
FILL IN THE BLANK
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Complete the table given below.
| Heat on Zinc nitrate | Colour of residue |
The percentage composition of Nitrogen in Ureas is ______.
