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प्रश्न
Indicate whether the following statement is true or false:
Molecules combine to form atoms
विकल्प
True
False
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उत्तर
False
Correct Statement: Atoms combine to form a molecule.
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संबंधित प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Name the technique that you use if only the solid component of a solution is required.
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Fill in the blank
A diatomic gaseous element is _______.
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Select the correct answer to the statement given below:
A metalloid
Match the separation of components in List I with the most appropriate process in List II.
| List I | List II |
| 1. Naphthalene from naphthalene & sodium chloride. | A: Separating funnel |
| 2. Cream from milk. | B: Sublimation |
| 3. Kerosene oil from kerosene oil & water. | C: Boiling |
| 4. Lead nitrate from an aqueous solution of lead nitrate. | D: Centrifugation |
| 5. Ammonia from an aqueous solution of ammonia. | E: Distillation |
Give an example for the elements derived from their Latin names.
Elements contain the ______of the same kind.
