Chemistry The maximum number of covalent formed by nitrogen is 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Is increased Will slowly increase and then it will decrease Remains same Is decreased Is increased Will slowly increase and then it will decrease Remains same Is decreased ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Pyrolusite Magnetite Siderite Galena Pyrolusite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium sulphate Calcium hypophosphate Phosphoric sulphate Calcium phosphate Calcium sulphate Calcium hypophosphate Phosphoric sulphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Nitrogen Oxygen Neon Freon Nitrogen Oxygen Neon Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Lead Zinc Chromium Nickel Lead Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
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