Science Chemistry MCQ-205

Science-Chemistry Quiz for JKPSC,CDS,NDA/Na,WBPSC,UPPSC,CivilsPrelims Exams



Hypo is used

 
 
 
 

The order of acidic nature of oxides is

 
 
 
 

Which of the following is called sulphuric anhydride

 
 
 
 

Photoconductors of Xerox machine

 
 
 
 

A colourless gas with smell of rotten egg is

 
 
 
 

A colourless gas with smell of rotten fish is

 
 
 
 

The following compound reacts with cone. H2SO4 to give CO2 gas

 
 
 
 

Which one of the following outer electronic configuration represents of group 16 (IV A) or chalcogens

 
 
 
 

The oxidation state of oxygen in O2F2 is

 
 
 
 

The decreasing order of catenation of group 16 element is

 
 
 
 

The acidic character of dioxides of members of oxygen family decreases in the order

 
 
 
 

The structure of oone is

 
 
 
 

Na2O is

 
 
 
 

When water is electrolysed, then which of the following ”is formed

 
 
 
 

Which of the following is formed by strong heating of potassium permanganate

 
 
 
 

Which of the following is not a source of sulphur

 
 
 
 

Brimstone is another name of

 
 
 
 

Concentrated sulphuric acid is always diluted by adding

 
 
 
 

In laboratory, sulphur dioxide is prepared by

 
 
 
 

Bleaching action of SO2 is due to its

 
 
 
 

Which of the following is used for the treatment of skin disease

 
 
 
 

Which of the following statement is correct about sulphur

 
 
 
 

Which of the following is metallic in nature ?

 
 
 
 

Which one of the following is solid at room temp ?

 
 
 
 

Iodine deficiency in diet is known to cause