Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Phosphorus Sodium Graphite Silicon Phosphorus Sodium Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 53 36 17 19 53 36 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Pure Water Sodium Carbonate HCl H2SO4 Pure Water Sodium Carbonate HCl H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Chromium Tin Carbon Aluminium Chromium Tin Carbon Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Polythene Bakelite Nylon Starch Polythene Bakelite Nylon Starch ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit to measure the flow of water is Milli curie Cusecs Ohm meter Micro Mho Milli curie Cusecs Ohm meter Micro Mho ANSWER DOWNLOAD EXAMIANS APP