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प्रश्न
State the functions of the following basic glass apparatus:
Glass test tube
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उत्तर
Glass test tube: It is used for heating chemicals and studying reactions in chemicals solutions.
संबंधित प्रश्न
What is the main difference between alchemy and chemistry?
How is the knowledge of chemistry important to mankind?
What is the contribution of chemistry in the following field?
National Defence
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 |
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
Choose the correct alternative from the choices given below for the following statement:
Used is an important
State the function of
The air regulator in a Bunsen burner.
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 metallic apparatus which supports the wire gauze.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A modern apparatus with an air regulator, used for heating purposes.
