Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Bromine Phosphorous Sulphur Carbon Bromine Phosphorous Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature F2 O2 N2 H2 F2 O2 N2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A fungus A bacterium A seed plant An insect A fungus A bacterium A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Wood burning Paints Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS