Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : It blows over the barren land It contains maximum content of water vapour Its thickness is maximum Its pressure is minimum It blows over the barren land It contains maximum content of water vapour Its thickness is maximum Its pressure is minimum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 200 50 500 100 200 50 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Homogeneous systems Compounds Mixtures Solutions Homogeneous systems Compounds Mixtures Solutions ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Isopentane Isobutane Chloroprene Isoprene Isopentane Isobutane Chloroprene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as dark zone non-luminous zone blue zone luminous zone dark zone non-luminous zone blue zone luminous zone ANSWER DOWNLOAD EXAMIANS APP