Chemistry The chemical name of quartz is Calcium phosphate Sodium phosphate Calcium oxide Sodium silicate Calcium phosphate Sodium phosphate Calcium oxide Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Carbon di-oxide Methane Ethane Carbon monoxide Carbon di-oxide Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Ethyl Alcohol Acetic Acid Methyl Alcohol Ethylene Ethyl Alcohol Acetic Acid Methyl Alcohol Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cadmium Copper Chromium Cobalt Cadmium Copper Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
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