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प्रश्न
Give three differences between metals and non-metals.
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उत्तर
Metals:
1. Metals are ductile i.e. can be drawn into wires.
2. Metals are malleable i.e. can be beaten to form sheets.
3. They are sonorous.
Non-metals:
1. Non-metals are mostly soft solids that cannot be drawn into wires.
2. They are mostly gases and are not malleable.
3. They do not produce sound when struck.
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संबंधित प्रश्न
Give two examples for the following: Metals
Give Two Examples for Each of the Following: Inert Gases
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Acetic Acid
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
Match the statements in List I – 1 to 10 correct answers in List II-A to J.
| List I | LIst II | ||
| 1 | Fluorine and chlorine | A | Nitrogen |
| 2 | A diatomic molecule | B | Boron |
| 3 | A molecule containing the elements hydrogen and oxygen. | C | Reactants |
| 4 | A metalloid - showing properties of both metals and non-metals. | D | Chemical Formula |
| 5 | The term used for the substances which take part in the chemical reaction | E | Halogens |
| 6 | The term represents a substance by means of symbols. | F | Water |
| 7 | The term used for the substances formed as a result of a chemical reaction | G | Nitric Acid |
| 8 | A compound containing one atom of zinc and two atoms of chlorine. | H | Products |
| 9 | The chemical name for nitrogen monoxide. | I | Phosphorus |
| 10 | A polyatomic molecule. | J | Zinc Chloride |
Select the correct answer from the choice given below.
The type of molecule- bromine
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
