Advertisements
Advertisements
प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
पर्याय
oxygen
diamond
zinc
graphite
gold
Advertisements
उत्तर
graphite
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Mention three gaseous elements and write their molecular formulae
What is meant by 2H and H2
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Select the correct answer from A, B, C, D & E for the statement given below :
A non-metal that is lustrous.
Elements : Combine to form compounds :: Compounds : ______.
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
