Why ammonia is highly toxic?

Assertion: A dish antenna is highly directional. Reasion: This is because a dipole antenna omnidirectional.

State whether the statement is true or false. Correct the false statement : The bacteria Pseudomonas is highly radiation resistant organism.

Liquid ammonia is used in ice factory for making ice from water. If water at 20°C is to be converted into 2 kg ice at 0°C , how many grams of ammonia are to be evaporated? (Given: The latent heat of vaporization of ammonia= 341 cal/g)

The reaction of ammonia with methyl chloride in the presence of alcoholic KOH is called _________ reaction.

Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives _______.

Identify a type of molecular movement which is highly selective and requires special membrane proteins, but does not require energy.

When excess of ammonia is added to copper sulphate solution, the deep blue coloured complex id formed. The complex is ___________.