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SSC CGL CHSL CPO General Awareness 10000 MCQ Series Part 36/200

SSC CGL CHSL CPO General Awareness 10000 MCQ Series Part 36/200

SSC CGL CHSL CPO General Awareness 10000 MCQ Series Part 36/200

Q1601. Which of the following which exhibits allotropy ?

(a) Silver

(b) Sodium

(c) Calcium

(d) Tin


Q1602. Which of the following contains only one element ?

(a) Soap

(b) Detergent

(c) Diamond

(d) Asbestos

Q1603. Metallurgical impurities combine with_______ to form slag.

(a) Flux

(b) Water

(c) Hydrogen

(d) Sodium chloride

Q1604. An element has constant

(a) Density

(b) Atomic weight

(c) Valency

(d) Atomic number

Q1605. In a periodic table the vertical aggregates of elements are known as

(a) Periods

(b) Groups

(c) Clusters

(d) None of the above

Q1606. Spot the isotope of hydrogen

(a) Deuterium

(b) Tritium

(c) Both the above

(d) None of the above

Q1607. The high electrical conductivity of copper is due to

(a) Its density

(b) Its high reactivity

(c) Its releasable electrons

(d) Its nucleus


Q1608. Spot the noble element

(a) Argon

(b) Neon

(c) Krypton

(d) All the above

Q1609. _________gave the law of periodic table.

(a) Bohr

(b) Mendeleev

(c) Archimedes

(d) Pasteur

Q1610. What is the common characteristic of the first group of metals as arranged in the periodic table ?

(a) Single nucleus

(b) Single protons

(c) Single neutron

(d) Single valence electrons

Q1611. The elements arranged in the second and third periods of the periodic table are

(a) Alkali

(b) Transition

(c) Typical

(d) Actinide

Q1612. _________contains man made elements.

(a) First group

(b) Second period

(c) Actinide series

(d) None of the above

Q1613.______ gave the modem periodic law

(a) Maxwell

(b) Meyer

(c) Mosley

(d) Renner

Q1614. Radon is ________?

(a) A chemical

(b) A noble gas

(c) A scientist

(d) None of the above

Q1615.________ form the alloy German silver.
(a) Copper and silver

(b) Copper and zinc

(c) Copper, nickel and zinc

(d) Copper, lead and zinc

Q1616. Bell metal is an alloy of

(a) Copper and silver

(b) Copper and lead

(c) Copper and zinc

(d) Copper and tin

Q1617. Gun powder’s main constituent is
(a) Chlorine

(b) Nitrogen

(c) Carbon

(d) Sulphur

Q1618. Gun powder acts as______ agent.
(a) An oxidizing

(b) A reducing

(c) A neutralising

(d) A heating

Q1619. The process that breaks larger molecules into smaller ones is

(a) Polymerisation

(b) Cracking

(c) Breaking

(d) Substitution

Q1620. Petroleum refinery is a process based upon

(a) Oxidation

(b) Reduction

(c) Sublimation

(d) Fractional distillation

SSC CGL CHSL CPO General Awareness 10000 MCQ Series Part 36/200

Q1621. The crude oil struck from the earth is a mixture of

(a) Gases

(b) Ketones

(c) Alcohols and phenols

(d) Hydrocarbons

Q1622. Identify the acid found in citrus fruits

(a) Acetic

(b) Oxalic acid

(c) Formic acid

(d) Citric acid

Q1623. Spot the acid found in ants
(a) Acetic acid

(b) Oxalic acid

(c) Formic acid

(d) Citric acid

Q1624. Vinegar contains ________?

(a) Glutamic acid

(b) Acetic acid

(c) Formic acid

(d) Propionic acid

Q1625. Ethanol is ___________?

(a) A ketone

(b) An aldehyde

(c) An alcohol

(d) A phenol

Q1626. The active site of an organic compound is called

(a) Active ends

(b) Reactive wings

(c) Functional groups

(d) None of the above


Q1627. The organic compounds with the same functional groups are said to be in the same

(a) Series

(b) Homologous series

(c) Heterologous series

(d) None of the above


Q1628. An amine group has

(a) –NH3

(b) –NH2

(c) –NH

(d) –N

Q1629. A carboxylic group has

(a) —OH

(b) —CO

(c) COOH

(d) CHO

Q1630. An aldehyde group has

(a) –OH

(b) –NH2

(c) CHO

(d) –NH

Q1631. A ketonic group has

(a) –OH

(b) –CHO

(c) CO

(d) NH2

 

Q1632. An alcoholic group is
(a) –OH

(b) –CO

(c) –COOH

(d) –CHO

 

Q1633. The formula for chloroform is
(a) CH

(b) CHCI2

(c) CHCI3

(d) CHCI4

Q1634. The formula for benzene is
(a) C2H4

(b) C6H6

(c) C6H6O6

(d) C3H2

Q1635. The LPG contains

(a) Benzene

(b) Propylene

(c) Butane

(d) Toluene

Q1636. _________is used in gas welding.

(a) Methane

(b) Ethane

(c) Butane

(d) Acetylene

Q1637. Hydrocarbons are

(a) Saturated

(b) Unsaturated

(c) Aromatic

(d) All the above

Q1638. Benzene reacts with chlorine in the presence of light to form

(a) Dichloro benzene

(b) Gammexane

(c) Benzene hexa chloride

(d) All of these

 

Q1639. The formula for gammexane is

(a) C6CI6

(b) C6H6CI6

(c) C6H3CI3

(d) None of the above

Q1640. Addition reactions are peculiar among

(a) Saturated hydrocarbons

(b) Unsaturated hydrocarbons

(c) Both of these

(d) None of the above

Q1641. Spot the unsaturated hydrocarbon

(a) Methane

(b) Ethane

(c) Acetylene

(d) None of these

 

Q1642. Spot the saturated hydrocarbon

(a) Methane

(b) Benzene

(c) Butadiene

(d) All the above

 

Q1643. The catalyst used in reactions between alkenes and hydrogen is
(a) Manganese

(b) Gold

(c) Silver

(d) Nickel

Q1644. Polythene is derived from

(a) Ethane

(b) Acetylene

(c) Ethylene

(d) All of these

 

 

Q1645. In the process of________ molecules of the same chemical unit to form bigger molecule.
(a) Hydrolysis

(b) Electrolysis

(c) Polymerization

(d) Isomerisation

 

 

Q1646. A natural polymer is
(a) Gum

(b) Resin

(c) Rubber

(d) None of the above

 

Q1647. Triple bond is seen among


(a) Alkynes

(b) Alkenes

(c) Alkanes

(d) None of the above

 

Q1648. The most common use of hydrocarbons is as
(a) Detergents

(b) Disinfectants

(c) Degreasers and solvents

(d) Explosives

Q1649. Isomerism is found among

 

(a) Organic compounds

(b) Asymmetric organic compounds

(c) Symmetric organic compounds

(d) Inorganic compounds

 

Q1650. Coke is used in the extraction of
(a) Copper

(b) Zinc

(c) Iron

(d) None of the above

 

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