Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Eutrophication Smog None of these Green house effect Eutrophication Smog None of these Green house effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to n-heptane 2-methyl octane iso-octane 3-methyl octane n-heptane 2-methyl octane iso-octane 3-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Blue Red Green Crimson Blue Red Green Crimson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Nonpolar Ionic Polar Covalent Nonpolar Ionic Polar Covalent ANSWER DOWNLOAD EXAMIANS APP
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