Chemistry The most abundant metal in the Earth’s crust is Copper Zinc Aluminium Iron Copper Zinc Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Citric acid Acetic acid Formic acid Oxalic acid Citric acid Acetic acid Formic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Photons Quarks Leptons Mesons Photons Quarks Leptons Mesons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Calcium oxide Aluminium oxide Magnesium oxide Zinc oxide Calcium oxide Aluminium oxide Magnesium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP