This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Which of the following is used for removing air bubbles from glass during its manufacture?
Correct!
Wrong!
Rayon is chemically?
Correct!
Wrong!
Which type of fire extinguisher is used for petroleum fire?
Correct!
Wrong!
Quartz crystals normally used in quartz clocks etc. is chemically ?
Correct!
Wrong!
The type of glass used in making lenses and prisms is?
Correct!
Wrong!
In vulcanization, natural rubber is heated with?
Correct!
Wrong!
How does common salt help in separating soap from the solution after saponification?
Correct!
Wrong!
Which of the following is a protein?
Correct!
Wrong!
Science Quiz 92
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