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