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प्रश्न
Give two examples for the following: Metals
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उत्तर
Iron, silver, gold.
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संबंधित प्रश्न
Fill in the blank
A pure substance has definite.................. and constant ..............
Name: a Liquid Non-metal
Give two examples of the following.
Non-metals which are solids
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Write the names of elements from the following symbol:
Ti
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
