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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
विकल्प
sodium chloride
calcium chloride
sodium oxide
hydrogen chloride
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उत्तर
sodium chloride
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संबंधित प्रश्न
Name a soft metal.
Name the technique that you use if only the solid component of a solution is required.
Name: a Non-metal Which is a Good Conductor of Electricity.
Indicate whether the following statement is true or false:
Molecules can exist independently.
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
Write the names of elements from the following symbol:
Pt
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
