20644405
Description
Quiz by Brijeethamma Joseph, updated more than 1 year ago
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Created by Brijeethamma Joseph
over 5 years ago
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Question 1
Answer
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A. Ripening of fruit
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B. Drying a drop of petrol
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C. Melting of wax in a vessel
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D. Mixing vinegar and baking soda
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E. Powdering sugar in a mixer.
Question 2
Question
Hydrogen and oxygen combine in the ratio of 1:8 to form water .The amount of oxygen gas would be required to react completely with 16 g of hydrogen gas is 4 g
Answer
- True
- False
Question 3
Question
Identify homogeneous mixtures from the following mixtures.
Answer
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Soda water
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Soil
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Unfiltered tea
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Muddy water
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Vinegar
Question 4
Question
Plastics which become soft on heating and deformed known as thermoplastics. Plastics which cannot be softened by heating are known as thermosetting plastics. Which of these is most likely to be made up of thermosetting plastic?
Answer
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a. Toy doll
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b Switches
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c. A polythene bag
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d. Trays used to freeze water
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e. The handle of a pressure cooker
Question 5
Question
Why is CNG to be promoted as a fuel for automobiles than other fuels?
Answer
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a. It does not emit carbon dioxide.
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b. It undergoes almost complete combustion.
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c. It is a renewable source of energy.
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d. It satisfies all the conditions of A ,B and C.
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e. Very less amount of Pollution than other fuels.
Question 6
Question
Which of these would be found in all prokaryotic and eukaryotic cells?
Answer
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A. Chromosome
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B. Chloroplast
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C. Nucleus
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D. Cell wall
Question 7
Question
Which of the following is not true a out sound?
Select one or more of the following.
Answer
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Sound waves cannot travel through solid objects like metals, as thy are vibrations
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Sound waves travel through empty space in the same manner as they travel in air
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Sound is emitted because of vibrations and it moves between the particles of air to reach our ears
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Sound itself is a vibration, it travels through air as vibration and is received by the ear as vibration
Question 8
Question
A particular cell has mitochondria, plasma membrane and a nucleus. Which of the following is true about the cell[blank_start]----------[blank_end]
Answer
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A. It is a plant cell
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B.It is an animal cell
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C. be a cell only if it has a cellwall
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can be either a plantor an animal cell
Question 9
Question
A magnetic compass will continue to indicate directions correctly even if which of the following is brought near it[blank_start]----------[blank_end]
Answer
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A. a magnet
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B. a magnetic material
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C. a non magnetic metal
Question 10
Question
Iron can be found in the solid as well as the liquid state. A single iron atom in the solid state is [blank_start]----------------------------------[blank_end] that in the liquid state
Answer
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A. smaller than
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B. heavier than
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C. bigger than
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D. the same as
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