Chemistry German silver used for making utensils is an alloy of Copper, zinc, aluminium Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed Temperature decreases No heat change takes place Heat is liberated Heat is absorbed Temperature decreases No heat change takes place Heat is liberated ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Positrons Electrons Protons Neutrons Positrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Coal Geothermal energy Petroleum Natural Gas Coal Geothermal energy Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy NaF RbF CsF KF NaF RbF CsF KF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Rain water Sea water Distilled water River water Rain water Sea water Distilled water River water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS