(A) Sodium Nitrate
(B) Dilute Acetic acid
(C) Chloride of lime
(D) Calcium
Answer: (B) Dilute Acetic acid
Q. What is the chemical formula of vinegar (acetic acid) ?
(A) CH3COOH
(B) CH2CO2OH
(C) CH4CO3OH
(D) none of these
Answer: (A) CH3COOH
Q. what is the chemical name of water?
(A) Hydrogen oxide
(B) Dihydrogen monoxide
(C) Hydrogen peroxide
(D) None of these
Answer: (B) Dihydrogen monoxide
(A) Methane hydrate
(B) Liquid Nitrogen
(C) Solid Carbondioxide
(D) Frozen Water
Answer: (C) Solid Carbondioxide
Q. What is the chemical formula of dry ice?
(A) CO
(B) CO2
(C) C2O2
(D) CO3
Answer: (B) CO2
Q. Which acid is present in the milk?
(A) Lactic acid
(B) Oxalic acid
(C) Malic acid
(D) Citric acid
Answer: (A) Lactic acid
(A) Insecticides
(B) Rodenticides
(C) Fungicides
(D) Herbicides
Answer: (B) Rodenticides
Q. Chemicals used to control unwanted plants, also known as weedkillers are:
(A) Insecticides
(B) Rodenticides
(C) Fungicides
(D) Herbicides
Answer: (D) Herbicides
Q. Chemical compounds or biological organisms used to kill parasitic fungi or their spores and inhibits their growth are:
(A) Insecticides
(B) Rodenticides
(C) Bactericides
(D) Fungicides
Answer: (D) Fungicides
(A) Ethnology
(B) Morphology
(C) Ethics
(D) Genetics
Answer: (A) Ethnology
Q. Ethnology is the branch of:
(A) Ethnography
(B) Anthropology
(C) Archaeology
(D) Ethology
Answer: (B) Anthropology
Q. The science which deals with the study of animal behavior, usually with a focus on behavior under natural conditions is:
(A) Ethnography
(B) Anthropology
(C) Archaeology
(D) Ethology
Answer: (D) Ethology
(A) Manometer
(B) Thermostat
(C) Chronometer
(D) Pyrometer
Answer: (D) Pyrometer
Q. A device used to determine the electron temperature, electron density and electric potential of plasma is:
(A) Manometer
(B) Langmiur probe
(C) Thermostat
(D) None of these
Answer: (B) Langmiur probe
Q. What is the average normal body temperature?
(A) 97°F – 99°F
(B) 100°F – 101°F
(C) 87°F – 90°F
(D) None of these
Answer: (A) 97°F – 99°F