736.  Which type of glass is used for making glass reinforced plastic?

Answer & Explanation
Quartz glass

737.  When temperature is gradually decreased, what is the specific heat of substance?

Answer & Explanation
Decreased

738.  Which metal is non toxic in nature?

Answer & Explanation
Gold

739.  Which is the element that has the highest first ionization potential?

Answer & Explanation
Nitrogen

740.  Which transition metal is in liquid state?

Answer & Explanation
Mercury

741.  Temporary hardness of water is due to the presence of which thing?

Answer & Explanation
Magnesium bicarbonate
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