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Question 1:

When _______ is dissolved in water, it gets converted into gypsum-

Question 2:

An exothermic reaction is a reaction in which-

Question 3:

_______ is an inert gas.

Question 4:

The volume of gas is inversely proportional to 

Question 5:

The common name of sodium bicarbonate is-

Question 6:

Choose the odd one from the following allotropes of carbon.

Question 7:

Which of the following is the first element of the modern periodic table?

Question 8:

The atomic mass of calcium is

Question 9:

In Modern Periodic Table, there is an anomaly when it comes to the position of_______ because it can be placed either in group 1 or group 17 in the first period.

Question 10:

Water pollution of river is measured by -