Science Chemistry MCQ-192

General Science-Chemistry Practice Questions for UPPSC, NDA, CivilsPrelims, RBI, CDS, UPSC, SSC, JPSC Exams



Which one of the following chemicals is used in Beauty Parlours for hair-setting?

 
 
 
 

Which one of the following polymeric materials is used for making bulletproof jacket?

 
 
 
 

The light emitted by firefly is due to

 
 
 
 

Which of the following statements about the commonly used automobile battery are true?

It is usually a lead-acid battery.
It has six cells with a potential of 2 Volt each.
Its cells work as Galvanic Cells while discharging power.
Its cells work as electrolytic cells while recharging.

Select the correct answer using the codes given below:

 
 
 
 

The iron layered with zinc is called

 
 
 
 

Bronze is an alloy of

 
 
 
 

Which of the following is chiefly present in LPG (Liquefied Petroleum Gas)?

 
 
 
 

Which one of the following is left when an hydrogen atom loses its electron?

 
 
 
 

Deep blue colour is imparted to glass by the presence of

 
 
 
 

Which of the following fibres is least prone to fire?

 
 
 
 

Which of the following alloys is used for making magnets?

 
 
 
 

Drying oils contain a fairly large proportion of

 
 
 
 

What is the most common salt in sea water?

 
 
 
 

In mirrors the back surface is coated with a thin layer of

 
 
 
 

When quick lime is added to water

 
 
 
 

Baking soda is

 
 
 
 

The gas which is believed to be the main cause of explosion in the coal mines is

 
 
 
 

Which of the following is a supe rcooled liquid?

 
 
 
 

Which of the following is used to remove rust stains on Cloth?