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1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
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1
Which of the following can be attracted toward magnets?
Nickel
Cobalt
Iron
All of these
2
Combine harvester used for __________________
Threshing
Winnowing
Both threshing and winnowing
None of these
3
_____________ of the following method used to separate grains and stalks.
Hand picking
4
Magnetic separation method can be used to separate _____________________________.
Iron filings and sulphur
Cobalt and Cupper
Nickel and Iron
Both (a) and (b) are correct.
5
The method of separating heavier and ________________ components of a mixture by wind or blowing air is called winnowing
Heavier
Lighter
6
_____________ of the following is not a pure substance.
Gold
Silver
7
Which of the following is the example of solid-solid mixture ?
Sodium chloride
Sugar solution
None of the above
8
Which of the following is the example of solid -liquid mixture ?
Sodium Chloride
Milk and Water
Oxygen and sulphur
9
From the following identify the heterogeneous mixture.
Sugar and Water
Oil and Water
Alcohol and Water
10
Which of the following are examples of mixture of solid and liquid:
(1) Milk and water
(2) Sugar Solution
(3) Salt Solution
(4) Soil and water solution.
Only (1), (2), (3) are correct
Only (1), (3), (4) are correct
Only (2), (3), (4) are correct
None of the above are correct
11
Which of the following are correct :
(a) Mixture of wheat and husk can be separated by winnowing.
(b) Mixture of different vegetables can be separated by winnowing.
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are incorrect.
12
Match the Column I with Column II and select the correct option from the codes given :
P - (iii), Q - (iv), R - (v), S - (i), T - (ii)
P - (v), Q - (iii), R - (iv), S - (iii), T - (i)
P - (ii), Q - (i), R - (iv), S - (v), T - (iii)
P - (iv), Q - (iii), R - (v), S - (ii), T - (i)
13
The method that we can use to separate stones and insects from rice ?
Filtration
Decantation
Magnetic separation
14
There are two samples of mixtures. Sample A, and Sample B. In Sample A there are two layers of mixtures, It can be separated by the process of filtration. But in Sample B,it is a mixture of two miscible liquids and we cannot separate the constituents by the process of filtration.
What can we say about the samples.
Sample A is heterogeneous mixture
Sample B is homogeneous mixture
Sample A is homogeneous mixture
Sample B is heterogeneous mixture
15
Which of the following physical method cannot be used to separate the constituent particles of a mixture ?
Evaporation
Electric spark