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61
Which one of the following liquids is very good conductor of heat?
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Answer: Option A
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62
Which of the following metal is the heaviest?
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Answer: Option D
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63
Choose the different one from the following.
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Answer: Option D
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64
When silver chloride is kept in sunlight, So it becomes brown due to which formation?
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Answer: Option C
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65
If 1 kg The alloy contains 32% copper, 70% zinc and the remaining nickel, then what will be the amount of copper in the alloy?
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Answer: Option D
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66
. . . . . . . . is an important metal required to make amalgam.
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Answer: Option B
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67
Zinc Sulfate heptahydrate (ZnSO4.7H2O) is commonly known as:
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Answer: Option A
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68
White ash is produced by burning magnesium ribbon, which mixes in water to make . . . . . . . .
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Answer: Option C
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69
Which one of the following is the chemical formula of Washing Soda?
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Answer: Option B
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70
Consider the following statements.
1. Mercury is found in liquid state at room temperature.
2. The property of metals by which they can beaten into thin sheets is called malleability.
3. The property of metals by which it can be drawn into wires is called ductility.
Which of the statements given above are correct?
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Answer: Option D
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