Bronze is an alloy of ____________
(A) Copper and Zinc
(B) Tin and Zinc
(C) Copper and Tin
(D) Iron and Zinc
(D) None of these
Hygrometer is used for measuring the ____________
(A) Speed of sound
(B) Density of milk
(C) Humidity of air
(D) Specific gravity of liquids
(D) None of these
Defeciency of following vitamin decreases hemoglobin production
(A) Biotin
(B) Thiamine
(C) Niacin
(D) Pyridoxine
(D) None of these
Chemical name of vinegar is _____________
(A) Sodium Nitrate
(B) Dilute acetic acid
(C) Chloride of lime
(D) Calcium
(D) None of these
Dry ice is ___________
(A) Methane hydrate
(B) Liquid Nitrogen
(C) Solid Carbon dioxide
(D) Frozen Water
(D) None of these
Chemical used to kill rats and mice are
(A) Insecticides
(B) Rodenticides
(C) Fungicides
(D) Herbicides
(D) None of these
The science which deals with study of manners and customs of people is
(A) Ethnology
(B) Morphology
(C) Ethics
(D) Genetics
(D) None of these
The instrument which measures very high temperature is____________
(A) Manometer
(B) Thermostat
(C) Chronometer
(D) Pyrometer
(D) None of these
Founder of modern astronomy was _________________
(A) Archimedes
(B) William Gilbert
(C) Nicolas Copernicus
(D) Michael Faraday
(D) None of these