Sample Test Chemistry
The number of atoms present in one mole of an element is equal to Avogadro number. Which of the following element contains the greatest number of atoms?
A given compound always contains the same elements in the same proportion by mass is given by:
If 500 mL of a 5M solution is diluted to 1500 mL, what will be the molarity of the solution obtained?
The balancing of chemical equations is in accordance with:
The principle postulates a hypothetical process in which an atom is "built up" by progressively adding electrons are :
It can be taken that if two or more orbitals of equal energy are available, electrons will occupy them singly before filling them in pairs:
Decomposition of benzene diozonium chloride by using Cu2Cl2/HCl to form chlorobenzene is
The compound which is not founded during the dry distillation of a mixture of calcium format and calcium acetate is
Which of the following is a weak acid?
Equal Volumes of gases at the same temperature and pressure should contain equal number of molecules: