Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 88 50 314 138 88 50 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is slow setting Is quick setting Becomes more strong Cracks during setting Is slow setting Is quick setting Becomes more strong Cracks during setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Bauxite Siderite Haematite Magnetite Bauxite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Flocculator Precipitator Hydrolyser Disinfectant Flocculator Precipitator Hydrolyser Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Zinc Antimony Chromium Lead Zinc Antimony Chromium ANSWER DOWNLOAD EXAMIANS APP
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