11.5 Alcohols — Chemistry STD 10 — Question

The element which is the most electronegative in the third period.

The elements of one short period of the periodic table are given below in order from left to right:  Li Be B C O F Ne  Which one of the above element belongs to the halogen series?

State the type of bonding in the following molecule.
methane

Name the alloy used for the following purpose.
Making medals

Why do gold ornaments look new even after several years of use?

Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)

Name the gas that gives dense white fumes with ammonia.

Name : An alcohol with three carbon atom.

Name the metal which is alloyed with zinc to form brass.

Out of Cu and Ag, which is more active?