Science Chemistry MCQ-201

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



Which of the following alkaline earth metals forms covalent compounds ?

 
 
 
 

The compounds of alkaline earth metals possess which of the following magnetic nature ?

 
 
 
 

Which of the following alkaline earth metals has the highest ionic mobility in an aqueous solution ?

 
 
 
 

Which of the following alkaline earth metal is used in manufacture of aeroplane parts ?

 
 
 
 

Which of the following is formed when beryllium burns in oxygen ?

 
 
 
 

Calcium decomposes water and liberates

 
 
 
 

Strontium burns in oxygen to form

 
 
 
 

The mixture of MgCL, and MgO is called

 
 
 
 

Which of the following ores contains both calcium and magnesium ?

 
 
 
 

Magnesium does not decompose in

 
 
 
 

Which of the following is the composition of carnallite ?

 
 
 
 

MgCl2.6H2O, when heated, gives

 
 
 
 

A certain metal M is used to prepare an antacid, which is used as a medicine for acidity. This metal accidental catches fire, which can not be extinguished by using CO2 based extinguishers. The metal M is

 
 
 
 

Cement does not contain

 
 
 
 

Nitrolim is a mixture of-

 
 
 
 

The colour given by calcium to the flame is

 
 
 
 

Calcium decomposes cold water into

 
 
 
 

On heating CaO with C, we get-

 
 
 
 

Which of the following metal ions plays an important role in the muscle contraction ?

 
 
 
 

Dead burnt is

 
 
 
 

Which of the following compounds of zinc is white when cold and yellow when hot ?

 
 
 
 

Which of the following compounds is known as white vitriol ?

 
 
 
 

Anhydrous zinc chloride is prepared by heating

 
 
 
 

Which of the following is obtained, when H2S is passed through the solution of sodium zincate ?

 
 
 
 

Which of the following is used in making ointment for curing skin disease ?