Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : It contains maximum content of water vapour Its pressure is minimum It blows over the barren land Its thickness is maximum It contains maximum content of water vapour Its pressure is minimum It blows over the barren land Its thickness is maximum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead Ferrous sulphide Graphite Lead sulphide Lead Ferrous sulphide Graphite Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is coconut oil olive oil pine oil kerosene oil coconut oil olive oil pine oil kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Ribose Phosphate Uracil Thymine Ribose Phosphate Uracil Thymine ANSWER DOWNLOAD EXAMIANS APP