Chemistry Question Bank

The largest no. of molecules is in

The mass of carbon present in 0.5 moles of \(\mathrm{K_4FeCN}\) is

The no. of electrons in 2 gm ion of nitrate ion \(\mathrm{NO_3}\) is

The no. of atoms in 52 a.m.u. of He is

Which one of the following samples contains the largest number of atoms.

Which of the following has the highest mass

The molecular wt. of green vitriol is \(\mathrm{M_0}\) The wt. of 103 NA molecules of it is

In which of the following pairs both members have same no. of atoms

Total no. of protons in 36 ml of water at 4°C (where of water = 1 g/ml) is

3 mol of ammonia contains:

Choose the wrong statement:-

The number of moles of \(\mathrm{H_2}\) in 0.224 litre of hydrogen gas at NTP is:

19.7 kg of gold was recovered from a smuggler. The atoms of gold recovered are: (Au = 197)

At NTP 1.0 g of hydrogen gas has volume in litre:

The number of grams of \(\mathrm{H_2SO_4}\) present in 0.25 mole of \(\mathrm{H_2SO_4}\) is

Which of the following has the smallest number of molecules?

The number of atoms in 1.4 g nitrogen gas is:

1.0 mole of \(\mathrm{CO_2}\) contains:

The weight of a molecule of the compound \(\mathrm{C_60H_122}\) is

7.5 grams of a gas occupy 5.6 litres of volume at STP. The gas is

Two containers P and Q of equal volume (1 litre each) contain \(\mathrm{O_2}\) and \(\mathrm{SO_2}\) respectively at 300 K and 1 atmosphere. Then

The chemical formula of a particular compound represents:

The best standard of atomic mass is: