From the given alternatives select the word which cannot

What is the chemical symbol for Gold? 

The base of the modern periodic table is

What happens when light enters a glass slab from air?

Two charges +4μC and +9μC are separated by 60 cm. Where should a third charge be placed so that it experiences zero net force? (from +4μC charge)

Which gas is essential for respiration in humans?

Which of the following is treated with chlorine to obtain bleaching powder?

When diamond is heated at more than 1500 Degree Celsius in the absence of air, then it turns to………….?

Kindly Study the following questions carefully and choose the right answer.

Which of the following is/are true with respect to Amoeba?

The dimensions of angular momentum are:

Which of the following statement(s) is/are true?

I. Air expands on heating

II. The warm air is heavier than the cold air