Chemistry The most important ore of lead is Siderite Magnetite Galena Pyrolusite Siderite Magnetite Galena Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Peat Lignite Bituminous Dolomite Peat Lignite Bituminous Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 50 and 100 km 5 and 10 km 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Carbon and Platinum Silicon and Germanium Tungsten and Platinum Iridium and Germanium Carbon and Platinum Silicon and Germanium Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Does not change Decreases May either increase or decrease depending on the process used Increases Does not change Decreases May either increase or decrease depending on the process used Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 2 : 16 : 2 1 : 16 : 2 1 : 1 : 1 2 : 16 : 1 2 : 16 : 2 1 : 16 : 2 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP
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