Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Cu Ni Pb Pt Cu Ni Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Increased transportation activity Rapid industrialization All of these Deforestation Increased transportation activity Rapid industrialization All of these Deforestation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Aluminium Oxygen and Silicon Silicon and Iron Oxygen and Iron Silicon and Aluminium Oxygen and Silicon Silicon and Iron Oxygen and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Fire in coal mines Dry farming Trade winds Greenhouse effect Fire in coal mines Dry farming Trade winds Greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP