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Which quantum number divides shells into orbitals?
Cathode rays causes an object placed behind a perforated anode to cast a shadow on the screen. This observation shows that the rays?
If an atom is represented as \( _{11}^{23}X \), which of the following deduction is correct?
The basic assumption in the kinetic theory of gases that the collisions of the gaseous molecules are perfectly elastic implies that the?
A gas exerts pressure on its container because?
0.0075 mole of calcium trioxocarbonate (IV) is added to 0.015 mole of a solution of hydrochloric acid. The volume of gas evolved at s.t.p is?
[Molar volume of a gas at s.t.p = 22.4 dm3]
The percentage of water of crystallization in ZnSO\(_4\).7H\(_2\)O is?
[Zn = 65, S = 32, O = 16, H = 1]
Which of the following is a physical change?
A mixture of sugar and sulphur can be separated by?
In which of the following equations can Le-chartelier’s principle be applied?
A measure of the degree of disorderliness in a chemical system is known as the
The electrode potential in volts of 2H\(^+\)(aq) / H\(_2\)(q) system is