Science Chemistry MCQ-187

General Science-Chemistry objective Quiz for SSC, JPSC, UPPSC, CivilsPrelims, RBI, UPSC, NDA, CDS Exams



Which one of the following is not used to rust iron?

 
 
 
 

Which one of the following is used to extract marble?

 
 
 
 

Name the element which is found in a free state.

 
 
 
 

Name the metalloid in the following.

 
 
 
 

What is poor man’s silver?

 
 
 
 

Which is used in making metal currency?

 
 
 
 

Noble metals are

 
 
 
 

Which one of the following metals joins with glass?

 
 
 
 

What does the melting of ice denote?

 
 
 
 

How are the properties of elements determined?

 
 
 
 

Name the method by which the permanent hardness of water can be removed.

 
 
 
 

Due to which formation during the chlorine test white fumes are produced?

 
 
 
 

Which of the following is a mahmade element?

 
 
 
 

Which, among the following is the most electronegative element?

 
 
 
 

Which one of the following is not an alloy of tin?

 
 
 
 

What is the atomic weight of uranium?

 
 
 
 

What is the chemical name for white vitriol?

 
 
 
 

Which non-metallic mineral is called ‘Mother of Industry’?

 
 
 
 

Vinegar is prepared by the

 
 
 
 

Which of the following is incorrect?

 
 
 
 

In order to prevent corrosion, iron pipes are often coated with a layer of zinc. This process is known as

 
 
 
 

Electroplating does not help

 
 
 
 

Lipidsare

 
 
 
 

Important ore of Nickel is

 
 
 
 

Which one of the following is used for dating archaeological specimens in wood, bones and shells?