Chemistry Rock salt is a mineral containing Sodium Potassium Magnesium Iron Sodium Potassium Magnesium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and antimony Lead and zinc Lead and bismuth Lead and copper Lead and antimony Lead and zinc Lead and bismuth Lead and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite Magnetite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Sodium Carbonate H2SO4 Pure Water HCl Sodium Carbonate H2SO4 Pure Water HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 5.6 8.3 3.2 6.3 5.6 8.3 3.2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitramines Nitrates Nitrites Ammonia Nitramines Nitrates Nitrites Ammonia ANSWER DOWNLOAD EXAMIANS APP
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