Chemistry GK Questions with Answers General Knowledge Quiz in English

Chemistry MCQ GK Quiz Questions and Answers in English: Here we have collected Chemistry GK Questions with Answers General Knowledge Quiz which are most important as exam points of view. These Chemistry Quiz Questions has been asked in SSC exams also. Take a quick look of Chemistry GK Questions for Class 9 and class 10, Chemistry GK Questions in English. Lets start Chemistry MCQ GK Quiz Questions and Answers in English

Chemistry General Knowledge Questions and Answers MCQ

Question: “Every matter in the universe is made up of very fine particles”. Who said this first?

[A] Kanad

[B] Dalton

[C] Rutherford

[D] None of the above

Answer: [A] Kanad

Question: The age of the earth is estimated by which of the following?

[A] Uranium dating

[B] Carbon dating

[C] Atomic clock

[D] Biological clock

Answer: [A] Uranium dating

Question: Which of the following process is not useful for purification of solid drugs?

[A] Sublimation

[B] Distillation

[C] Crystallization

[D] Suitable all

Answer: [B] Distillation

Question: Which of the following is the fourth state of matter?

[A] Gas

[B] Liquid

[C] Plasma

[D] None of the above

Answer: [C] Plasma

Question: Which of the following is a ‘chemical compound’?

[A] Air

[B] Ammonia

[C] Mercury

[D] Oxygen

Answer: [B] Ammonia

Question: By which of the following method a mixture of sodium chloride and ammonium chloride is separated?

[A] Sublimation

[B] Chromatography

[C] Distillation

[D] None of the above

Answer: [A] Sublimation

Question: In which of the following substances oxygen is not found?

[A] Kerosene

[B] Cement

[C] Sand

[D] Glass

Answer: [A] Kerosene

Question: Which of the following substances is not a mixture?

[A] Tin

[B] sea water

[C] soil

[D] Air

Answer: [A] Tin

Question: Which of the following scientist developed the model of atomic structure?

[A] Alfred Nobel

[B] Faraday

[C] Bohr and Rutherford

[D] None of the above

Answer: [C] Bohr and Rutherford

Question: Rutherford’s alpha particle scattering experiment on thin gold foil is responsible for the discovery of which of the following?

[A] Atomic nucleus

[B] Electron

[C] Proton

[D] Neutron

Answer: [A] Atomic nucleus

Question: Which fundamental particles are located in the same number in an atom?

[A] Protons and neutrons

[B] Neutron and electron

[C] Electron and proton

[D] Electron, proton, neutron

Answer: [C] Electron and Proton

Question: Which of the following is a ‘Charge less particle’?

[A] Neutron

[B] Proton

[C] Electron

[D] None of the above

Answer: [A] Neutron

Question: Which one of the following best determines the atomic number of an element?

[A] Number of protons

[B] Number of protons and electrons

[C] Number of ions

[D] None of the above

Answer: [A] Number of protons

Question: What is the number of protons in a negatively charged atom (negative ion)?

[A] greater than the atomic number of the elements

[B] less than the atomic number of the elements

[C] more than the number of electrons in the atom

[D] less than the number of electrons in the atom

Answer: [D] less than the number of electrons in the atom

Question: Which of the following atoms does not have a neutron in its nucleus?

[A] Lithium

[B] Hydrogen

[C] Helium

[D] None of the above

Answer: [B] Hydrogen

Question: What is the difference between atomic mass and mass number of an atom called?

[A] Atomic number

[B] Mass damage

[C] Number of electrons

[D] Atomic number

Answer: [B] Mass loss

Question: Which of the following is the most fundamental characteristic of an element?

[A] Melting

[B] Atomic number

[C] Atomic mass

[D] None of the above

Answer: [B] Atomic number

Question: On which of the following do the chemical properties of an element depend?

[A] Atomic number

[B] Atomic weight

[C] Mass number

[D] None of the above

Answer: [A] Atomic number

Question: When an electron moves from a higher orbit to a lower orbit, then-

[A] Energy is absorbed

[B] The size of the atom decreases

[C] Energy is released.

[D] None of the above

Answer: [C] Energy is released

Question: “Electrons do not pair until the vacant orbital obtained for them is exhausted” This principle is called-

[A] Hund’s rule

[B] Pauli’s law

[C] Heisenberg’s principle

[D] Afbau’s theory

Answer: [A] Hund’s law

Question: The chemical nature of an element depends on which of the following?

[A] On the valence electron

[B] On the charge

[C] On the electron

[D] On the proton

Answer: [A] On valence electron

Question: Radioactivity is a property of which of the following?

[A] Neutron

[B] Electron

[C] Proton

[D] Nucleus

Answer: [D] Nucleus

Question: Which of the following scientist discovered gamma rays?

[A] Rutherford

[B] Dalton

[C] Willard

[D] none of the above

Answer: [A] Rutherford

Question: The emission of which of the following increases the atomic number of an element by one?

[A] Alpha particle

[B] Beta particle

[C] Proton

[D] Electron

Answer: [B] Beta particle

Question: Which of the following has negative charge?

[A] Beta rays

[B] Gamma rays

[C] X rays

[D] Alpha ray

Answer: [A] Beta rays

Question: Which radioactive element is named after the country of its discoverer?

[A] Polonium

[B] Palladium

[C] Radium

[D] Uranium

Answer: [A] Polonium

Question: Which of the following radio elements is used to measure the speed of blood flow in human body?

[A] radio-phosphorus

[B] Radio-iodine

[C] radio-sodium

[D] Radio-Iron

Answer: [C] Radio sodium

Question: ‘Graphite’ is used in nuclear plants-

[A] Like a moderator

[B] Like fuel

[C] Like a lubricant

[D] None of the above

Answer: [A] Like a moderator

Question: Which of the following elements is necessary for the construction of a nuclear reactor?

[A] Zirconium

[B] Magnesium

[C] Cobalt

[D] Mercury

Answer: [A] Zirconium

Question: Cobalt-60 is commonly used in radiation therapy for diseases like cancer, because it emits-

[A] Alpha rays

[B] Beta rays

[C] Gamma rays

[D] All of these

Answer: [C] Gamma rays

Question: Nuclei which have same number of neutrons but different number of protons are called which of the following?

[A] Samneutronic

[B] Coordinator

[C] Isotopes

[D] None of the above

Answer: [A] Samneutronic

Question: Which is the radioisotope used to control blood cancer?

[A] Phosphorus-32

[B] Cobalt-60

[C] Sodium-24

[D] Iodine-131

Answer: [B] Cobalt-60

Question: Isobars are produced by the emission of which of the following?

[A] Alpha ray

[B] Beta rays

[C] Gamma ray

[D] X rays

Answer: [B] Beta rays

Question: When two atoms of the same element combine with each other, what will be the nature of bond between them?

[A] Ionic

[B] Covalent

[C] No polar covalent

[D] Polar covalent

Answer: [C] Non polar covalent

Question: Which of the following substances is used as both an oxidising agent and a reducing agent?

[A] Sodium nitrite

[B] Sodium sulfide

[C] Sodium nitrate

[D] Sodium

Answer: [A] Sodium Nitrite

Question: Which of the following process is related to burning of hydrogen?

[A] Oxidation

[B] Hydration

[C] Hydrogenation

[D] None of the above

Answer: [A] Oxidation

Question: Which one of the following chemical elements has the same oxidation state in all its compounds?

[A] Fluorine

[B] Carbon

[C] Oxygen

[D] Magnesium

Answer: [A] Fluorine

Question: In which of the following reactions insoluble salts are formed?

[A] Neutralization reaction

[B] Precipitation reaction

[C] Oxidation

[D] Reduction

Answer: [B] Precipitation reaction

Question: What does pH rating indicate?

[A] Evaluation of whether a solution is acidic or basic

[B] Evaluation of purity of milk

[C] Evaluation of the purity of water

[D] None of the above

Answer: [A] Evaluation of whether a solution is acidic or basic

Question: A solution with a pH equal to zero is

[A] Highly alkaline solution

[B] Highly acidic solution

[C] Neutral solution

[D] None of the above

Answer: [B] Highly acidic solution

Question: What is the chemical name of hypo commonly used in photography?

[A] Sodium thiosulfate

[B] Sodium nitrate

[C] Silver Nitrate

[D] Silver Iodide

Answer: [A] Sodium thiosulfate

Question: With which chemical is human blood kept in blood cells?

[A] Sodium nitrate and dextrate

[B] Sodium and oxygen

[C] Oxygen and chlorine

[D]None of these

Answer: [A] Sodium nitrate and dextrate

Question: Which metal is protected by its own oxide?

[A] Iron

[B] Silver

[C] Gold

[D] Aluminum

Answer: [D] Aluminum

Question: The reaction with water without choosing slaked lime to make ‘slaked lime’ is an example of

[A] Displacement reaction

[B] Exothermic reaction

[C] Decomposition reaction

[D]None of these

Answer: [B] exothermic reaction

Question: Which is the base used as an antiacid?

[A] Calcium hydroxide

[B] Magnesium Hydroxide

[C] Silver Hydroxide

[D]None of these

Answer: [B] Magnesium Hydroxide

Question: Dolomite is an ore of which of the following metals?

[A] Calcium

[B] Potassium

[C] aluminum

[D]None of these

Answer: [A] Calcium

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