Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Nitrogen Methane Carbon dioxide Ozone Nitrogen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these O3 CO CO2 All of these O3 CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Carbon Aluminium Chromium Tin Carbon Aluminium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Cooking gas High octane fuel Low octane fuel Coal Cooking gas High octane fuel Low octane fuel Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is None of these Diamond Hydro-electricity Uranium None of these Diamond Hydro-electricity Uranium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS