Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 2J Infinity 4J 2J Infinity 4J ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Cast iron Steel Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to O3injury SO2injury NO2injury HF injury O3injury SO2injury NO2injury HF injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of aluminium on iron Deposition of zinc on iron Deposition of tin on iron Deposition of copper on iron Deposition of aluminium on iron Deposition of zinc on iron Deposition of tin on iron Deposition of copper on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Protons Neutrons Neutrons and protons Electrons Protons Neutrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
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