Chemistry Which of the following is a metallic ore ? Galena Mica Quartz Feldspar Galena Mica Quartz Feldspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Iridium and Germanium Tungsten and Platinum Silicon and Germanium Carbon and Platinum Iridium and Germanium Tungsten and Platinum Silicon and Germanium Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Phosphoric acid Formic acid Hydrochloric acid Acetic acid Phosphoric acid Formic acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Barium peroxide Hydrogen peroxide Ozone Sodium peroxide Barium peroxide Hydrogen peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Coal fire Steam engine Burning coal Burning garbage Coal fire Steam engine Burning coal ANSWER DOWNLOAD EXAMIANS APP
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