1. Which statement is TRUE about the periodic table of elements?
A. Elements found at the right side of the periodic table are non-metals.
B. Elements found at the left side of the periodic table are metals.
C. Elements found in vertical arrangement belongs to the same family.
D. All of the statements above are true.
8. Which method can be used to separate iron fillings from mixture of salt, sulfur and iron fillings?
A. Filtration
B. Sedimentation
C. Use of Magnet
D. Filtration
2. Solvent is used to dissolve other substances. Which substance is commonly known as the universal solvent?
A. Ethanol
B. Alcohol
C. Water
D. Oil
10. Which is the basis of arranging the elements in the periodic table?
A. Order of increasing atomic number
B. Order of increasing atomic mass
C. Alphabetical order of their English name
D. Alphabetical order of their Latin name
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Answer:
1.D
8.A
2.C
10.A
Explanation:
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Answer:
1.d
2c
3.c
4.a
Explanation:
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