Chemistry Solder is an alloy of Sodium, lead Lead, zinc Tin, lead Copper, lead Sodium, lead Lead, zinc Tin, lead Copper, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ?-rays ? and ? rays Positive rays X-rays ?-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Phosphorus trichloride Red phosphorus White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus White phosphorus Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Zinc Argon Lead Bromine Zinc Argon Lead Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons and protons Protons Electrons Neutrons Neutrons and protons Protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Sulphuric acid Ozone Nitric acid Carbon monoxide Sulphuric acid Ozone Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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