Suggest a reason as to why `CO` is poisonous.

EM wave in a cavity with conduction walls can exist only in certain modes (i.e., they can not exist, for example, with any arbitrary wavelength). Suggest a simple reason why this should be so?

Assertion (A) : The presence of CO_(2) in the air accelerates corrosion. Reason (R): CO_(2) is a poisonous gas.

Suggest reasons why the B–F bond lengths in BF_(3) (130 pm) and BF_(4 )^(– ) (143 pm) differ.

Suggest reason why only known binary compounds of noble gases are fluorides and oxides of Xenon and to a lesse extent of Kryton.

Suggest a reasonable mechanism for each of the following reactions:

A metal with shining appearance reacts with hot water and also with dilute hydrochloric acid evolving hydrogen gas. Suggest giving reason why this metal cannot be copper.

What are the suggested reasons for population explosion?

Assertion kraits ar poisonous snakes. Reason Belly scales are small and continuous with dorsal in poisonous snakes.