Questions

We know that,

All nitrates are soluble in water.

All chlorides are soluble in water with the exception of those formed with silver , lead , mercury ions as all halides are soluble.

Sulphates are soluble in water.

Hydroxides are not soluble in water.

Hence, copper(II) hydroxide is not soluble in water.

The Lamprey fish is characterized by an absence of jaws.

This is a different way of asking your age. It can be how long you have been living in days weeks months and years since your birth date.

Pulse crops are one of the most sustainable crops a farmer can grow. Pulses are a type of leguminous crop that are harvested solely for the dry seed. Dried beans, lentils and peas are the most commonly known pulses.

Pulses are good source of proteins we all need for living.

Fossil fuels energy source generates the least greenhouse gases. Of them, i.e, oil, natural gas and coal, natural gas source generates the least greenhouse gases.