Chemistry One property of ammonia is Its aqueous solution turns red litmus blue It is a yellowish gas It is insoluble in water It is a odourless gas Its aqueous solution turns red litmus blue It is a yellowish gas It is insoluble in water It is a odourless gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Anthracite Bituminous Lignite Coke Anthracite Bituminous Lignite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 300 km 100 km 150 km 200 km 300 km 100 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Homogeneous mixture Heterogeneous mixture Element Compound Homogeneous mixture Heterogeneous mixture Element Compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Eutrophication Hardness Acidity Alkalinity Eutrophication Hardness Acidity Alkalinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle Democritus Antoine Lavoisier John Dalton Robert Boyle Democritus Antoine Lavoisier John Dalton ANSWER DOWNLOAD EXAMIANS APP