Chemistry The octane number of zero is assigned to iso-octane 2-methyl octane 3-methyl octane n-heptane iso-octane 2-methyl octane 3-methyl octane n-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Nitrogen Phosphorus Calcium Sulphur Nitrogen Phosphorus Calcium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Dust Algae Bacteria Arsenic Dust Algae Bacteria Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 18 12 Zero 6 18 12 Zero 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 Green house effect None of these Smog Eutrophication Green house effect None of these Smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Glacial formic acid Diluted acetic acid Glacial acetic acid Diluted formic acid Glacial formic acid Diluted acetic acid Glacial acetic acid Diluted formic acid ANSWER DOWNLOAD EXAMIANS APP