Chemistry Nitrogen fixation is a process of Utilisation of nitrogen gas Assimilation of nitrate Conversion of organic nitrogen to proteins Conversion of molecular nitrogen to ammonia Utilisation of nitrogen gas Assimilation of nitrate Conversion of organic nitrogen to proteins Conversion of molecular nitrogen to ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Chromium Nickel Lead Zinc Chromium Nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its affinity for non-metal Its reducing character Its non-metallic character Its electropositive character Its affinity for non-metal Its reducing character Its non-metallic character Its electropositive character ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium borate Calcium sulphate Calcium phosphate Calcium chloride Calcium borate Calcium sulphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin D Vitamin B Vitamin C None of these Vitamin D Vitamin B Vitamin C None of these ANSWER DOWNLOAD EXAMIANS APP
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