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प्रश्न
Water contains _____ and _____ element.
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उत्तर
Water contains hydrogen and oxygen element.
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संबंधित प्रश्न
What are the different types of mixtures ?
Name: a Metal Which is a Poor Conductor of Electricity.
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
Select the correct answer from the choice given below.
The element which is malleable
Write the names of elements from the following symbol:
Ir
Write the names of elements from the following symbol:
Pt
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
Give two example of elements.
Classify the substances given in Fig. 2.2 into elements and compounds
