Chemistry Identify the metal which is non toxic in nature. Gold Cadmium Cobalt Chromium Gold Cadmium Cobalt Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Protons Electrons Neutrons Neutrons and protons Protons Electrons Neutrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A suspension A homogeneous mixture A compound A heterogeneous mixture A suspension A homogeneous mixture A compound A heterogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
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