Mineral Resources

Q. Common sand is made up of .

1. silicon trioxide
2. silicon dioxide
3. silicon oxide

Q. Which among the following statements are true for minerals and fossil fuels?

1. Fossil fuels and minerals are formed from decay of organic matter and due to earth's geological processes respectively.
2. Minerals are renewable whereas fossil fuels are non-renewable.
3. Minerals are non-renewable whereas fossil fuels are renewable.

1. Only statement 1 is true.
2. Both statement 1 and 2 are true.
3. Both statement 1 and 3 are true.
4. All three statements are true.

Q.

What is gangue?

Q. All minerals are not , but all ores are .

1. ores
2. minerals
3. metals
4. non-metals

Q. Choose the correct pair.

1. Aluminium
2. Metalloid
3. Silicon
4. Non-metal
5. Metal
6. Oxygen

Q. Mining causes land pollution.

1. True
2. False

Q. The process of extraction of minerals from earth's crust is called ______.

1. Poaching
2. Deforestation
3. Mining
4. Desertification

Q. Select the incorrect option regarding mining.

1. Harmful to the environment
2. Environment friendly
3. Causes water pollution
4. Causes soil erosion

Q. Pick out the correct pair of non-metals and its source.

1. CHLORINE
2. Liquid air
3. Brine solution
4. Graphite
5. NITROGEN
6. CARBON