The name of the common mineral salt present in sweat is ?
The name of the common mineral salt present in sweat is ?
A. Calcium Oxalate
B. Potassium Sulphate
C. Sodium Chloride
D. Iron Sulphate
E. None of these
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Dead red blood corpuscles are stored in____________?A. Liver
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Which gas does a Photocopier machine produce?A. Ozone
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Who invented the safety pin?
Who invented the safety ?
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