MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is the most common property of the metals lying at the bottom of the reactivity series?

Important Questions on Metals and Nonmetals

EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 10
An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns blue litmus red. State whether the element X is a metal or non-metal.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 11

An iron knife dipped in a blue copper sulphate solution turns the blue solution light green. Why?

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 12
Name two allotropes of sulphur.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 13
Give the chemical name of the slag produced in the blast furnace during the extraction of iron.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 14
What is an amalgam?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 15
What happens when aluminium nitride reacts with water?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 16
What is obtained when graphite is heated under high pressure in the presence of a catalyst?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 17
Name one alloy each of iron and aluminium.