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Humidity is the amount of which substance present in air?

Humidity is the amount of water vapour present in air.... View Article

What is the order of ionization enthalpy for B, Al and Ga?

B < Al < Ga The trend in ionization enthalpy is because there is decrease in Ionisation enthalpy from B to Al due to increase in size and from... View Article

Which compounds show negative deviation from Raoult’s law?

On mixing acetone and chloroform, hydrogen bond is formed between them. Due to this vapour pressure of the solution formed by them decreases.... View Article

What is the size of the image formed by the convex mirror?

The size of the image formed by the convex mirror is always smaller than the size of the object irrespective of the position of the object.... View Article

Identify the type of reaction: HCl + NaOH → NaCl + H2O

A neutralization reaction is a reaction in which an acid reacts with a base to form salt and water. HCl + NaOH → NaCl + H2O More information... View Article

Centered unit cells can be classified into how many types?

There are 3 types of cubic centred unit cells i.e. body centred, face centred and end centred.... View Article

What is the new location of smaller ion in Frenkel defect?

In Frenkel defect the smaller ion is dislocated from its normal site to an interstitial site.... View Article

State the effect of temperature on density of a substance.

Density of a substance decreases with increase in temperature because increases the volume.... View Article

CuSO₄ (aq) + Zn (s) → Cu (s) + ZnSO₄ (aq) is an example of

CuSO4 (aq) + Zn (s) → Cu (s) + ZnSO4 (aq) is an example of displacement reaction. A displacement reaction is a chemical reaction in which a... View Article

What is the coordination number of atoms in hcp structure?

6 in one plane and 3 above and 3 below so each sphere is surrounded by 12 spheres.... View Article

Name the metal which is present as impurity in “sapphire”.

Sapphire is the impure form of alumina which contains cobalt (Co) as impurity.... View Article

Which part of the ear amplifies the vibrations of eardrum?

The three bones hammer, anvil and stirrup amplify the vibrations of eardrum.... View Article

The modern periodic table is divided into how many blocks?

The modern periodic table is divided into 4 blocks i.e s, p, d and f block.... View Article

List the factors on which the resistance of a wire depend.

Resistance of a wire depends on the Length and cross-section of the wire.... View Article

Value of absolute Zero on Celsius scale is equal to _____.

Answer: Value of absolute temperature on the Celsius scale is equal to -273.15 oC. Kelvin scale is the most commonly used temperature scale in... View Article

Name the delta formed by the Ganga and Brahmaputra rivers.

Sundarbans delta is formed by the Ganga and Brahmaputra rivers. The Ganges-Brahmaputra Delta (also known as the Brahmaputra Delta, the... View Article

What is the number of atoms (z) in simple cubic unit cell?

The number of atoms (z) in a simple cubic unit cell is one. Explanation: A crystal lattice comprises several unit cells. In a unit cell, every... View Article

On which laws is the principle of rocket propulsion based?

The propulsion of all rockets is explained by the same physical principle of Newton's third law of motion. It states that every motion has an... View Article

Which is India€™s position in the world production of tea?

India is the second largest producer of tea after China.... View Article

What is the boiling point of water on the Farenheit scale?

On Farenheit scale, the boiling point of water is 2120F... View Article

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