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प्रश्न
Write True or False against the following statement.
Gunpowder is an insecticide:
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
Name six such products, which we use daily.
Who is known as the Father of chemistry? Why?
Match the following words in column A with those in column B:
| Column A | Column B | ||
| (a) | Clothing | (i) | toothpaste, cosmetics |
| (b) | Green Revolution | (ii) | nylon, wool |
| (c) | Building Material | (iii) | agriculture |
| (d) | Commodities of daily | (iv) | mortar, cement |
State the functions of the following basic glass apparatus:
Hard glass boiling tube
State the functions of the following basic glass apparatus:
Retort
State the function of
The air regulator in a Bunsen burner.
State the method used for collecting the following gas-
Ammonia – a gas highly soluble in water and lighter than air
Select the correct name from the choices given below for the following case.
The branch of Chemistry which includes a study of specific carbon compounds – built up mainly carbon and hydrogen.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass apparatus closed at one end used for collecting gases.
Give reasons for the following
Alchemy was considered a pseudoscience.
