Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 2 2 : 16 : 1 1 : 16 : 2 1 : 1 : 1 2 : 16 : 2 2 : 16 : 1 1 : 16 : 2 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Silicon Graphite Sodium Phosphorus Silicon Graphite Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by nucleotides RNA molecules enzymes DNA molecules nucleotides RNA molecules enzymes DNA molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry The enzyme that converts glucose to ethyl alcohol is : Zymase Invertase Diastase Maltase Zymase Invertase Diastase Maltase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Chalk and graphite Clay and graphite Limestone and graphite Limestone and clay Chalk and graphite Clay and graphite Limestone and graphite Limestone and clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Lead Platinum Zinc Mercury Lead Platinum Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP