MEDIUM
Stage 1 & 2
IMPORTANT
Earn 100

Which of the following substances is essential to solute in saline water?

50% studentsanswered this correctly

Important Questions on Is Matter Around Us Pure

MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 2
Which of these methods is used to extract alcohol from a mixture of alcohol and water? 
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 3

What is the missing reactant?

H2O + _____ →H2CO3

MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 4
An element that is not found in nature is
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 5
Which of the following is a compound?
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 6
Which of the following is not a homogeneous mixture?
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 7
Which substance is not a colloidal solution? 
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 8
Which type of solution doesn't exhibit the Tyndall effect? 
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 1 - Is Matter Around Us Pure>Target Exercise>Q 9

Consider the following processes.

1. Rusting of iron

2. Electrolysis of water

3. Condensation of water

4. Heating of iron powder with water

Which of the above can be considered as chemical change?