RRB GROUP D Chemistry Quiz - 7

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Question 1:

What is the Chemical formula for “Baking Soda”?

Question 2:

Monazite is an ore of?

Question 3:

Reaction of quick lime with water to produce slaked lime is an example of 

Question 4:

When blood cells are placed in a solution of KCl whose osmotic pressure is greater than that of cell fluid , there occurs 

Question 5:

What is the pH of acid rainwater ?

Question 6:

Chlorination is the process used for water purification .The disinfecting action of chlorine is mainly due to 

Question 7:

Cinnabar is an ore of which one of the following ? 

Question 8:

NaCl is a ionic compound because 

Question 9:

Which of the following statement is true about beta particles?

Question 10:

Hydrocarbon causes