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प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Coal can be drawn into wires. ( )
विकल्प
True
False
उत्तर
Coal can be drawn into wires. (F)
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संबंधित प्रश्न
Which of the following non-metal is a liquid?
(a) carbon
(b) sulphur
(c) bromine
(d) iodine
(a) Give the names and formulae of one metal chloride and one non-metal chloride.
(b) State an important property in which these metal chloride and non-metal chloride differ.
(c) Why do they differ in this property?
Fill in the blank
A chemical compound that makes up the striking heads of match sticks is ______
Write ‘true’ or ‘false’ for the following statement
Sodium can be cut with a knife.
Name a non-metal which is good conductor of electricity.
Name the non-metal present in abundance in the earth's crust.
`Na _____ → Na^+`
Give a short account of heating effect on metal carbonates based on the activity series ?
Distinguish between an ore and a metallic compound.
Match the following:
| Column A | Column B |
| (a) Helium | (1) Electric bulb |
| (b) Neon | (2) Thermometer |
| (c) Argon | (3) Semiconductor |
| (d) Germanium | (4) Weather balloons |
| (e) Mercury | (5) Advertising signboards |
