Science Chemistry MCQ-212

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



Bleaching powder is made from:

 
 
 
 

Cooking oil can be converted in vegetable ghee by the process:

 
 
 
 

Which of the following is not a chemical reaction?

 
 
 
 

Which of the following alloys is used for making magnets?

 
 
 
 

Which of the following is not a physical-change?

 
 
 
 

In which type of rocks are metals like Gold and Copper mostly found?

 
 
 
 

Which of the following is used as lubricant?

 
 
 
 

Liquefied Petroleum gas (LPG) consists of mainly:

 
 
 
 

Gobar gas contains mainly:

 
 
 
 

A mixture of water and alcohol can be separated by:

 
 
 
 

Hydrometer is an instrument –

 
 
 
 

Which thermometer is used to indicate the lowest temperature?

 
 
 
 

Vulcanisation is a –

 
 
 
 

Which one among the following polymers is used for making bulletproof material?

 
 
 
 

Which of the following is not a chemical change?

 
 
 
 

Which of the following is not a physical change?

 
 
 
 

The pH of fresh groundwater slightly decreases upon exposure to air because

 
 
 
 

Which one among the following statements is correct?

 
 
 
 

Which one among the following statements about an atom is not correct?

 
 
 
 

The macro-nutrients provided by inorganic fertilizers are

 
 
 
 

The addition of a neutron to the nucleus of an atom

 
 
 
 

Which of the following is a halogen?

 
 
 
 

Which among the following is a metalloid?

 
 
 
 

Age of fossil may be found out by determining the ratio of two isotopes of carbon. The isotopes are

 
 
 
 

The freezing point of water at 760 mm pressure is ___.