Chemistry In arc welding, Argon is used because of its High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically unreactive Miscible with water Chemically very active Not stable Chemically unreactive Miscible with water Chemically very active Not stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from Lichen An alga A fungus A bacterium Lichen An alga A fungus A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Triethylamine Ammonia Ethylamine Diethylamine Triethylamine Ammonia Ethylamine Diethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Excimer laser Dye laser Semiconductor laser Gas laser Excimer laser Dye laser Semiconductor laser Gas laser ANSWER DOWNLOAD EXAMIANS APP