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प्रश्न
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
उत्तर
| Water | Compounds |
| Common salt | Compounds |
| Sugar | Compounds |
| Carbon dioxide | Compounds |
| Iodine | Elements |
| Iodine and Lithium | Elements |
APPEARS IN
संबंधित प्रश्न
Differentiate between the following.
Filter Paper and Alum
Name: a non-metal which is lustrous
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 |
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
Write the names of elements from the following symbol:
Fe
Explain the difference between Metals and non-metals.
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Elements are the______ form of pure substances.
Higher Order Thinking Skills.
List out the metals, non-metals and metalloids which you use in your house, schools. Compare their properties.
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
