Question

1)The school bag of four students A,B,C,D measures 9kg, 2800gm, 2kg and 8000gm
respectively. Whose bag is the lightest? *

A
B
C
D

2) 3250m = ___________km *

3.250km
32.50km
0.3250km
3250000km


3) A book having 50 sheets of paper has a thickness of 0.5cm. What will be the thickness of a single sheet in mm? *

0.01mm
0.1mm
0.001mm
1 mm


4) Which gases is associated with human activities that involve the burning of fuels and becomes a major source of air pollution?

5) A student wants to prove that air is present in water, which is why animals living under water can breathe. Which of these would help him prove the presence of air in water?

A. By mixing water with oil
B. By boiling water
C. By freezing water
D. By pouring water in an empty jar

6) Students were asked to examine different materials and substances. These were, butter paper, aluminium foil, cardboard, white cotton cloth, frosted glass and water. Which of the following is a correct observation?

A. Only cardboard is opaque
B. Only water is transparent
C. Butter paper and water are translucent
D. Aluminium foil, frosted glass and cotton cloth are opaque


7) Which of the following combinations is the odd one out? *
A. Ink and water
B. Vinegar and water
C. Oil and water
D. Lime juice and water

Answer 1

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