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Which acid is used in the body to help digestion?
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Which of the following was to be discovered first in the chromospheres of the sun?
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Which of the following is in liquid form at room temperature?
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Sodium metal is kept under
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Which of the following are the ingredients ofgunmetall?
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From which mineral is radium obtained?
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Potassium nitrate is used in
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Permanent hardness of water may be removed by the addition of
Question 9 reset
Soda water contains
Question 10 reset
The most important ore of aluminum is

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