Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Viscosity Osmotic pressure Light scattering Sedimentation equilibrium Viscosity Osmotic pressure Light scattering Sedimentation equilibrium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 19 17 53 36 19 17 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons 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 Which of the following is biodegradable ? Aluminium Paper Plastic D.T. Aluminium Paper Plastic D.T. ANSWER DOWNLOAD EXAMIANS APP
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