Chemistry The element which is used for vulcanizing rubber Silicon Sulphur Bromine Phosphorus Silicon Sulphur Bromine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Heavy metals Noble gases Halogens Light metals Heavy metals Noble gases Halogens Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Carbon Tin Aluminium Chromium Carbon Tin Aluminium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of free energy An increase in Internal energy Increase in free energy A lowering of entropy A lowering of free energy An increase in Internal energy Increase in free energy A lowering of entropy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 2.05 gram 3.05 gram 4.05 gram 5.05 gram 2.05 gram 3.05 gram 4.05 gram 5.05 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 2 to 3 per cent 5 to 6 per cent 4 to 5 per cent 3 to 4 per cent 2 to 3 per cent 5 to 6 per cent 4 to 5 per cent 3 to 4 per cent ANSWER DOWNLOAD EXAMIANS APP