Chemistry Chapter 2 Class 9 MCQ. We covered all the Chemistry Chapter 2 Class 9 MCQ in this post for free so that you can practice well for the exam.
We also covered some other topics of chemistry like common salts and its constituents, phosphorous and its compounds, and fats and oils MCQ on our website for free. You will get their respective links below in the related posts section.
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MCQ of Chemistry Chapter 2 Class 9 for Students
The rotary kiln rotates
1. 10-20 turns per hour
2. 20-40 turns per hour
3. 30-60 turns per hour
4. 60-100 turns per hour
Option 3 – 30-60 turns per hour
Which slowly allows the charge in to the cylinder
1. Hopper
2. Burner
3. Screw conveyer
4. None of these
Option 3 – Screw conveyer
During passage of charge in the cylinder it loses in the beginning
1. Water
2. Carbon dioxide
3. Carbon monoxide
4. Sulphur dioxide
Option 1 – Water
At the burning end of the kiln the temperature is around
1. 1000-1100°C
2. 1100-1500°C
3. 1500-1700°C
4. 1700-1900°C
Option 4 – 1700-1900°C
Cement is a mixture of :
1. Sodium silicate and gypsum
2. Calcium silicates and calcium aluminates
3. Sand, clay and felspar
4. Calcium carbonate and sand
Option 2 – Calcium silicates and calcium aluminates
Gray hard balls of cement is called
1. Clinker cement
2. Portland cement
3. Absolute cement
4. Zypsum cement
Option 1 – Clinker cement
Cement consists zypsum
1. 10-15%
2. 1-2%
3. 2-3%
4. 3-6%
Option 3 – 2-3%
Glass is a substance
1. crystalline
2. non crystalline
3. amorphous
4. (2) and (3)
Option 4 – (2) and (3)
Glass is a ……..
1. not a true solid
2. frozen liquid
3. super cooled liquid
4. all the above
Option 4 – all the above
Glass is a mixture of
1. Calcium sillicates and calcium alluminates
2. Sodium silicate and calcium silicate
3. Sodium silicate, calcium silicate and sand
4. Sodium silicate and sand
Option 3 – Sodium silicate, calcium silicate and sand
Fine powder of Soda ash, lime stone, and sand called
1. Cullet
2. Batch
3. Charge
4. raw meal
Option 2 – Batch
Cullet is :
1. Broken glass
2. Liquefied glass
3. Super cooled glass
4. None of these
Option 1 – Broken glass
Raw materials used for glass are heated to
1.500°C
2. 1000°C
3. 1500°C
4. 2000°C
Option 2 – 1000°C
The impurities called in glass Industry
1. Cullet
2. Batch
3. Glass-gall
4. None of these
Option 3 – Glass-gall
What is the use of adding cullet to the raw materials of glass?
1. Helps in lowering the melting temperature of raw material
2. Helps in increasing the melting temperature of raw material
3. Helps in increasing the quantinty of glass
4. None
Option 1 – Helps in lowering the melting temperature of raw material
The process of cooling liquid glass is called
1. Pelverisation
2. Polymerization
3. Annealing
4. Hydrogenation
Option 3 – Annealing
Annealing strengthens the
1. cement
2. polymer
3. ceramic
4. glass
Option 4 – glass
Different kinds of glasses are obtained by varying the composition of
1. Cullet
2. Metal oxide
3. Batch
4. None of these
Option 3 – Batch
The glass used for window glass is
1. Pyrex glass
2. Soda glass
3. Quartz glass
4. Flint glass
Option 2 – Soda glass
The glass used for optics is
1. Quartz galss
2. Flint glass
3. Boro silicate glass
4. Soft glass
Option 2 – Flint glass
The glass used for laboratory glass ware is
1. pyrex glass
2. borosilicate glass
3. flint glass
4. both (1) and (2)
Option 4 – both (1) and (2)
Which of the following can be used in making electrical bulbs
1. Soda glass
2. Pyrex glass
3. Quartz glass
4. Hard glass
Option 3 – Quartz glass
Metal oxides or metal salts are added to liquid glass to get
1. Colourless glass
2. Colour glass
3. Condensed glass
4. Brittle glass
Option 2 – Colour glass
Addition of copper sulphate to glass gives which colour?
1. Yellow
2. Red
3. Blue
4. Purple
Option 3 – Blue
Addition of cupric oxide to glass gives which colour?
1. Red
2. Green
3. Orange
4. Brown
Option 1 – Red
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