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Class 10th CBSE 2014 Science Paper Set 1

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Class-10th CBSE
Subject-Science Set 1
year-2014       

Here is some questions:-
Section-A

1. Write the number of vertical columns in the orden periodic table. what are there columns called?
2. List four advantages of vegetative propagation.
Section-B
1. When yo add about 2mL of acetic acid to a test tude containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, then after about 5 minites what will you observe in the test tube:
(A) A white precipitate settling at its bottom,
(B) A clear colourless solution,
(C) A layer of water over the layer of acetic acid, or
(D) A leyer of acetic acid over the layer of water.


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