Chemistry Galena is a mineral of Gold Calcium Lead Iron Gold Calcium Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Monobasic Dibasic Tetrabasic Tribasic Monobasic Dibasic Tetrabasic Tribasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 CuO CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same number of electrons and neutrons Same atomic number and same electronic configuration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Salts Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers Elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon Phosphine ANSWER DOWNLOAD EXAMIANS APP
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