Question

Fill in the blanks.

(a) Phosphorus is a very _________non-metal.

(b) Metals are _________ conductors of heat and ____________ .

(c) Iron is ____________reactive than copper.

(d) Metals react with acids to produce ____________ gas.​

Answer 1

Fill in the blanks.

(a) Phosphorus is a very soft non-metal.

(b) Metals are good conductors of heat and electricity .

(c) Iron is more reactive than copper.

(d) Metals react with acids to produce hydrogen gas.

Know MoRe :-

• Metals are good conductors of heat and electricity while non-metals are poor conductors.

• Metals are solids except mercury and Gallium which are liquids at room temperature, whereas non metals are liquids or gases.

• Metals are lustrous , except lead is a non-lustrous metal. whereas non metals are non lustrous i.e., they are dull in appearance, Except Iodine.

• Metal + Acid → Salt + Hydrogen gas

• Iron is less reactive than Zinc, it is unable to displace Zinc from Zinc Sulphate.

• Phosphorus is used in making phosphatic fertilizers$.$

Answer 2

Explanation:

(a) Phosphorus is a very reactive non-metal.

(b) Metals are good conductors of heat and electricity .

(c) Iron is more reactive than copper.

(d) Metals react with acids to produce Hydrogen gas.