class 9 chemistry chapter 2 mcq
The length of cylinder in kiln is
1. 150 metres
2. 50 metres
3. 100 metres
4. 75 metres
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The rotary kiln consists
1. Steel cylinder
2. Screw conveyer
3. Burner
4. Coal
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The raw slurry or raw meal is called
1. Gangue
2. Raw material
3. Charge
4. None of these
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Animal glue made from
1. Bones of animals
2. Brain of animals
3. Liver of animals
4. Blood of animals
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Material used in containers
1. Low density polyethylene
2. High density polyethylene
3. Polystyrene
4. Polyvinyl chloride
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Material used in carry bags
1. Polyesters
2. Nylon 6,6
3. Low density polyethylene
4. High density polyethylene
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Nylon 6,6 is used to make
1. Brushes
2. Floor coverings
3. Toys
4. Electrical insulators
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Polyesters are used to make
1. Rain coats
2. Containers
3. Films
4. Gramophone records
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Polyvinyl Chloride is used to make
1. brushes
2. films
3. carpets
4. pipes
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Polystyrene is used to make
1. Milk cartons
2. TV lining
3. Hand bags
4. Recording tapes
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