Neoprene is _______________?
A. Natural rubber B. Vulcanized rubber C. synthetic rubber D. All of the above The correct answer to the question: “Neoprene is _______________?” is “synthetic rubber”.
Chemistry MCQs
Numbers of subatomic particles?
A. 2 B. 3 C. 1 D. more than 3 Subatomic particles include protons, neutrons, electrons, and other particles like neutrinos, mesons, and various types of quarks, among others. There are more than three types of subatomic particles known to exist in the universe. The correct answer to the question: “Numbers of subatomic particles?” is … Read more
Shiff’s reagent gives pink color with ____________?
A. Acetone B. Acetaldehyde C. Acetic acid D. Methyl acetate The correct answer to the question: “Shiff’s reagent gives pink color with ____________?” is “Acetaldehyde”.
Lactic acid on oxidation by alkaline potassium permanganate gives:____________?
A. Propionic acid B. Cinnamic acid C. Pyruvic acid D. Tartaric acid The correct answer to the question: “Lactic acid on oxidation by alkaline potassium permanganate gives:____________?” is “Pyruvic acid”.
Formaldehyde on condensation in the presence of calcium hydroxide: ______________?
A. Formose B. Fructose C. Maltose D. Xylose The correct answer to the question: “Formaldehyde on condensation in the presence of calcium hydroxide: ______________?” is “Formose “.
The fundamental way to transfer energy are:_____________?
A. pressure and temperature B. pressure and volume C. heat and volume D. heat and work The correct answer to the question: “The fundamental way to transfer energy are:_____________?” is “heat and work “.
The main contributor to toxicity of detergent:
A. Na-Silicate solution B. Na-sulphate solution C. Na-Chloride solution D. K-Chloride solution The correct answer to the question: “The main contributor to toxicity of detergent:” is “Na-Silicate solution”.
The usual property of ionic crystal are:_____________?
A. Stable B. gaseous form C. Unstable D. Compound forming The correct answer to the question: “The usual property of ionic crystal are:_____________?” is “Compound forming “.
The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?
A. 1.5 kilotons B. 20 kilotons C. 25 kilotons D. 30 kilotons The correct answer to the question: “The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?” is “20 kilotons”.
The distribution coefficient is related to:______________?
A. Separating factors B. decreasing factors C. Colouring factors D. retardation factors The correct answer to the question: “The distribution coefficient is related to:______________?” is “Separating factors “.