chemsitry

The liquid metal at room temperature

• (a) Mercury

• (b) Bromine

• (c) Sodium

• (d) Gold.

Non-metals are

• (a) generally liquids

  
  

• b) generally gases

• (c) generally solids and gases

• (d) generally gases and liquids

The metal which is stored in kerosene:

• (a) Phosphorus

• (b) Magnesium

• (c) Sodium

• (b) Magnesium

The non-metal which is liquid at room temperature is:

• (a) Carbon

• (b) Iodine

• (c) Bromine

• (d) Chlorine.

Metal oxides are of nature

• (a) Acidic

• (b) Basic

• (c) Neutral

• (d) All of these.

The property of metals by which they can be beaten in to thin sheets is called-

• a. malleability

• b. Ductility

• c. conduction

• d. Expansion

The metals that produce ringing sounds, are said to be-

• a. malleable

• b. sonorous

• c. Lustrous

• d. hard

The solution of ash of magnesium ribbon is-

• a. Acidic

• b. Basic

• c. Neutral

• d. All of these

What is the product when sulphur reacts with oxygen?

• a. Sulphuric acid

• b. Sulphur trioxide

• c. Sulphurous acid

• d. Sulphur dioxide

When sulphur dioxide is dissolve in water then-

• a. Sulphur is formed

• b. Sulphur trioxide is formed

• c. Sulphuric acid is formed

• d. Sulphurous acid is formed.