Statement I
Water boils at a lower temperature at high altitudes compared to low altitudes
Because
Statement II
The vapor pressure of water is lower at higher altitude

Q. Statement 1--if one litre of water at 40 degree celsius is mixed with one litre of water at 50 degree Celsius the final temperature of mixture will be between 40 degree Celsius and 50 degree Celsius Statement 2--the temperature of mixture of two liquid does not depend on their masses A. Both statement 1 and 2 are true and statement to is the correct explanation of statement 1 B. Both statement 1 and 2 are true but statement 2 is not the correct explanation of statement 1 C--statement one is true but statement to is false.

Q. Choose the correct option based on the statements given:

Statement 1: Carbon always share electrons to form a covalent bond with other elements.

Statement 2: ${\text{C}}^{4+}$ and ${\text{C}}^{4-}$ions are highly unstable.

Q. Statement 1: An acid reacts with a base to form salt and water, this type of reaction is known as neutralisation reaction.
Statement 2: Neutralisation reaction are exothermic reaction.

The correct statement for neutralisation reaction is:
(a) Both the statements are true, and statement 2 is the correct explanation for statement 1
(b) Both the statements are true, but statement 2 is not the correct explanation for statement 1
(c) Statement 1 is true, but statement 2 is false
(d) Statement 2 is true, but statement 1 is false
[1 Mark]

Q.

Choose the correct option based on the statements given below:

Statement 1: Carbon always shares electrons or forms a covalent bond with other elements.

Statement 2: $C^{4+}$ and $C^{4-}$ ions are highly unstable.

Q. Statement – 1: Specific gravity is dimensionless.
Statement – 2: Specific gravity is density of a substance measured with respect to density of water at $4^{\circ }\text{C}$.