Explanation

Explanation

Burning wood is a chemical change because it involves combustion.

Wood reacts with oxygen to form new substances, such as ash, carbon dioxide, and water vapor.

Explanation

To boil water at 110°C, the external pressure must be higher than normal atmospheric pressure (760 torr), typically in the range of 760 - 1200 torr. 

This increased pressure raises the boiling point of water above its standard boiling point of 100°C.

Explanation

The boiling point of a liquid is the temperature at which vapor pressure equals the atmospheric pressure.

At this point, the liquid changes to vapor.

It allowing bubbles to form within the liquid.

Explanation

Fe (Iron) belongs to the d-block.

While Na, Mg, and K are elements of the S-block in the periodic table.

Explanation

Aluminum oxide is not basic in nature; it is amphoteric, meaning it can act as both an acid and a base.

Unlike the other metal oxides listed, which are basic.

Explanation

The general formula CnH₂nO corresponds to ketones, where a carbonyl group (C=O) is bonded to two alkyl groups.

This formula is consistent with ketones but not with carboxylic acids, ethers, or carbolic acid (phenol).

Carboxylic acids: CnH₂nO₂

Ethers: CnH₂n+₂O

Alcohols: CnH₂n+₂O

Explanation

Explanation

Explanation

Other names for London dispersion forces include: Dispersion forces, Van der Waals forces, London forces, Instantaneous dipole–induced dipole forces, and Fluctuating induced dipole bonds.

London dispersion forces (LDF): A type of intermolecular force that occurs between nonpolar molecules

Van der Waals forces: A universal force that causes attractive interactions between nonpolar molecules