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Class 8 · General Science · 19 Aug 2026Print Preview
Class 8 · General Science · 19 Aug 2026
Max marks: 10
Grade Class 8 · General Science · 6 questions
NameClassDate
1.
Which separation method is best suited for removing small stones from a bag of rice during kitchen preparations?
[1 mark]
(a) Magnetic separation
(b) Hand-picking
(c) Filtration
(d) Evaporation
2.
Match the separation method with its most suitable application:
[2 marks]
Column A
Column B
1. Sieving
a. Removing tea leaves from tea
2. Filtration
b. Separating sand from pebbles
3. Winnowing
c. Separating husk from wheat grains
4. Magnetic separation
d. Separating iron pins from paper clips
Answer
3.
Excessive use of fertilizers in farms near a village pond often leads to ______, a process where excess nutrients cause an overgrowth of algae that depletes oxygen in the water.
[1 mark]
Q.4 One Sentence[3 marks]
(a)
Define light pollution in the context of urban areas in India.
[1 mark]
(b)
Why is the use of leaded petrol considered a major cause of health issues in children living near busy highways?
[2 marks]
5.
Compare the properties of the element Sodium with the compound Sodium Chloride. Are their properties the same?