Chemistry Which amidst the following is not a gem stone ? Topaz Pearl Opal Cat's-eye Topaz Pearl Opal Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom availability of d-orbitals its high electro negativity strong F - F bond small size of fluorine atom availability of d-orbitals its high electro negativity strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is zeolites silicon oxide aluminium borosilicate aluminium silicate zeolites silicon oxide aluminium borosilicate aluminium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy in always released Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed Energy in always released Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Lead Zinc Nickel Chromium Lead Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS