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प्रश्न
State whether the statement given below is true or false. If false write the correct statement.
Graphite is a lustrous non-metal which conducts electricity.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
Write two methods of preventing the rusting of iron.
Give reasons:
Platinum, gold and silver are used to make jewellery.
______ and ______ are necessary for the rusting of iron.
Name five methods of preventing rusting of iron.
What are the special properties of stainless steel?
Explain with reason:
Roasting is carried out on sulphide ores and not on carbonate ores.
Write scientific reason.
On exposure to air, silver articles turn blackish after some time.
State two conditions necessary for rusting of iron.
The table shown below gives information about four substances: A, B, C and D.
| SUBSTANCE | MELTING POINT (K) | ELECTRICAL CONDUCTIVITY | |
| SOLID | LIQUID/ AQUEOUS | ||
| A | 295 | Good | Good |
| B | 1210 | Poor | Good |
| C | 1890 | Poor | Good |
| D | 1160 | Poor | Poor |
Identify Ionic compounds from the above given substances.
State whether the following statement is true or false:
Ships suffer a lot of damage though they are painted.
