Advertisements
Advertisements
Question
Name: a Non-metal Which is a Good Conductor of Electricity.
Advertisements
Solution
Graphite
APPEARS IN
RELATED QUESTIONS
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
What is meant by H20 and 3H2O
State the number of atoms of C6H12O6
State the number of atoms of each element, present in \[\ce{HNO3}\].
Also name the compound.
Give reason: Graphite is used to make a lead of the pencils.
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Indicate whether the following statement is true or false:
Molecules combine to form atoms
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – two coloured gases (with their colours)
Match the separation of components in List I with the most appropriate process in List II.
| List I | List II |
| 1. Naphthalene from naphthalene & sodium chloride. | A: Separating funnel |
| 2. Cream from milk. | B: Sublimation |
| 3. Kerosene oil from kerosene oil & water. | C: Boiling |
| 4. Lead nitrate from an aqueous solution of lead nitrate. | D: Centrifugation |
| 5. Ammonia from an aqueous solution of ammonia. | E: Distillation |
Classify the substances given in Fig. 2.2 into elements and compounds

