The elements present in baking soda are -
The first scientist to use of the symbols of elements was-
The overall charge on an ionic compound is equal to -
The chemical formula of the copper nitrate
The number of carbon atoms in 1g of CaCO3 is-
The mass of a single atom of carbon is -
How many molecules are present in 9g of water -
The formula of sulphuric acid is-
What is true about potassium chlorate -
The law of multiple proportions was proposed by :-
The weight of two elements which combine with each other are in the ratio of their:-
180 grams of water conatins ________ moles :-
What is the weight of 3 gram atoms of sulphur ?
How many gram atoms are present in 144 g of magnesium ?
How many moles of oxygen atoms are present in one mole of acetic acid ?
What is the number of particles in one mole of a substance ?
How many atoms and how many gram atoms are there in 10 grams of calcium ?
Calculate the weight of 0.1 mole of sodium carbonate :-
How many number of moles are present in 540 g of glucose?
Mass of one Avogadro's number of O atom is equal to -
Hydrogen reacts with oxygen to form water (H2O). The ratio between masses of Hydrogen and oxygen is
The mass of 1 u is -
Which of the following has highest intermolecular forces of attraction -
Which of the following is not correct regarding gases-
The Boiling point of water at normal atmospheric pressure is -
Avogadro's number represents the number, of atoms in-
Molecular mass of ozone is
Which of the following is not correct according to Dalton's atomic theory?
How much of lime can be obtained by burining 400 g of lime stone ?