Chemistry Heating of a ore below its melting point in the absence of air is known as Calcination Roasting Refining Smelting Calcination Roasting Refining Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Sulphurdioxide Carbondioxide Nitrogen Oxygen Sulphurdioxide Carbondioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alkali metals has highest specific heat? Lithium Potassium Rubidium Caesium Lithium Potassium Rubidium Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Topaz Opal Pearl Cat's-eye Topaz Opal Pearl Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Aluminium Iron Gold Silver Aluminium Iron Gold ANSWER DOWNLOAD EXAMIANS APP
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