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प्रश्न
Give two applications of chromatography.
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उत्तर
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संबंधित प्रश्न
Give two examples for the following: Metals
Find the atomicity of the Following molecule:
Carbon Monoxide
Match the Columns:
| Column A | Column B | ||
| (a) | Metals | (i) | Non-Reactive |
| (b) | Molecules | (ii) | Brittle |
| (c) | Non-Metals | (iii) | Lustrous |
| (d) | Noble Gases | (iv) | Smallest unit of Compound |
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
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.
The element which is malleable
Give an example of two liquids that form heterogeneous mixtures.
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
Give two example of elements.
