NTPC CBT-2 Chemistry Quiz - 73

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Question 1:

What product will form when calcium oxide reacts with water?

Question 2:

A child observed a sample in the lab . He observed that the sample is hard but it can be convert into thin sheets and also it is good conductor of electricity . Sample is a 

Question 3:

Farmers mix lime with soil in their fields. because-

Question 4:

Which one of the following is not used as a raw material in the manufacture of glass ?

Question 5:

Which of the following option is correct for the separation of components from the mixture of Salt, ammonium chloride, and water?

Question 6:

Which of the following law is governed by this graph ?

Question 7:

The energy obtained from atoms is called-

Question 8:

In pressure cooker , food cooks faster because 

Question 9:

How many molecules approximately do you expect to be present in a small crystal of sugar which weighs 10 mg?

Question 10:

Which of the following statement is not true about isoelectronic species ?