Pure Substances and Mixtures — CHEMISTRY STD 6 — Question

Decantation and _____________ are the processes followed in removing insoluble impurities from a river water for city water supply system.

The water that is fit for drinking is called ………….. water.

Sodium sulphate is also known as _____________ salt.

Ammonium chloride can be separated from common salt by the method of __________

Water generates ______in hydroelectric power stations and ________in boilers for industrial applications.(carbon dioxide/steam/heat/electricity)

Artificial _____________ have helped farmers to grow more food.

Paints protect _____________ from corrosion.

The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.

From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.

Natrium is the Latin name of ………………..