Chemistry Which of the following is colourless ? Phosphorus Chlorine Oxygen Sulphur Phosphorus Chlorine Oxygen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Pearl Opal Topaz Cat's-eye Pearl Opal Topaz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium Carbonate is commonly known as Washing Soda Caustic Soda Baking Soda Caustic Potash Washing Soda Caustic Soda Baking Soda Caustic Potash ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was gold iron bronze copper gold iron bronze copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Dries up the blood Combines with O2 present in the body Reduces the organic matter of tissues Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Dries up the blood Combines with O2 present in the body Reduces the organic matter of tissues ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - HCO3 H2CO3 - CO32- CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 H2CO3 - CO32- CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP