Name One Substance Which is ‘Deliquescent’.

Name one substance which is ‘deliquescent’.

एक पंक्ति में उत्तर

Deliquescent substance is NaOH (sodium hydroxide), KOH, CaCl₂

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अध्याय 3: Water - Exercise

अध्याय 3 Water
Exercise | Q 1.1

Why do organisms need water?

Explain why:

Rain water does not leave behind concentric rings when boiled.

What do you understand by permanent hardness?

State what is potable water. Give its qualities or characteristics which make it fit for human consumption.

Household detergents contain mainly ______ and pollute water bodies.

37% of our brain‛s mass consists of water.

Condensation results in the formation of dew on grass.

Water is colourless, odourless and _______.

From where do the following usually get water? In which form is water present in them?

Plants

Construct a crossword puzzle of your own using the keywords.