Chemistry Atomic number of an atom gives the number of which of the following ? Protons Electrons Neutrons and protons Neutrons Protons Electrons Neutrons and protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a polymer thermoset chemical compound thermoplastic polymer thermoset chemical compound thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ Ca2+ Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrate Potassium nitrate Potassium nitrite Sodium nitrite Sodium nitrate Potassium nitrate Potassium nitrite Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Combined available chlorine Free available chlorine Free chlorine Residual chlorine Combined available chlorine Free available chlorine Free chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
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