Chemistry The most abundant constituent of atmospheric air is : Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle John Dalton Democritus Antoine Lavoisier Robert Boyle John Dalton Democritus Antoine Lavoisier ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Zinc Tungsten Copper Nichrome Zinc Tungsten Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Open system Isobaric system Closed system Isothermal system Open system Isobaric system Closed system Isothermal system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Lignite Anthracite Bituminous Coke Lignite Anthracite Bituminous Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? None of these Soda acid type Powder type Foam type None of these Soda acid type Powder type Foam type ANSWER DOWNLOAD EXAMIANS APP
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