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प्रश्न
_____ is the basic material to manufacture urea.
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उत्तर
Ammonia is the basic material to manufacture urea.
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संबंधित प्रश्न
What are chemical reactions?
How is precipitate formation in a chemical reaction indicated?
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
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Oxygen is a ______ in respiration.
What is a chemical change? Give two examples of chemical change?
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Complete the table given below.
| Heat on iodine crystals | Colour of vapours evolved |
Complete the table given below.
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______ is not a chemical change.
A chemical change may involve –
