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प्रश्न
Select the correct name from the choices given below for the following case.
A water-soluble cleaning agent – not inactivated by hard water.
विकल्प
Soap
Detergent
Cleanser
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उत्तर
Detergent
संबंधित प्रश्न
What is chemistry?
What is the main difference between alchemy and chemistry?
How is the knowledge of chemistry important to mankind?
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.
Gunpowder is an insecticide:
State the function of
The clamp mounted on the rod of a retort stand
State the method used for collecting the following gas:
Oxygen – a gas slightly soluble in water.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
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.
Give reasons for the following
Alchemy was considered a pseudoscience.
