Chemistry The most abundant element in the earth’s atmosphere is Oxygen Argon Krypton Nitrogen Oxygen Argon Krypton Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Haematite Bauxite Cryolite Fluorspar Haematite Bauxite Cryolite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains High concentration of salt None of these Lot of moisture Hard rocks High concentration of salt None of these Lot of moisture Hard rocks ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke 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 = K2/2 K 1 = 1 /K2 K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 K1 = K2 K1 = 2K2 ANSWER DOWNLOAD EXAMIANS APP
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