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प्रश्न
Name: Two substances used to make jewellery.
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उत्तर
Two substances used to make jewellery are:
1.Gold.
2. Silver as these are shining, lustrous, and ductile.
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संबंधित प्रश्न
Give one example for the following types of mixtures :
solid-liquid heterogenous mixture.
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Name: a Metal Which is a Poor Conductor of Electricity.
Give one use of the following substance:
Coal
Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’
Select the correct answer from the choice given below to complete the sentence :
An example of a monoatomic molecule is ___________.
Differentiate metals and non-metals.
Match the following.
| Atom | Building block of matter |
| Element | Atoms of different kinds |
| Compound | Atoms of the same kind |
| Molecule | Smallest unit of a substance |
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
