24 MARCH 2021 CURRENT AFFAIRS QUIZ

Rutherford’s scattering experiment proved the presence of

Electrons in atoms

Atoms in all matter

Nucleus in atoms

Neutrons in atoms

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following metals form an amalgam with other metals ?

Mercury

Lead

Tin

Zinc

TRUE ANSWER : ?
YOUR ANSWER : ?

An oxidising agent is a

An electron acceptor

In a chemical reaction its oxidation number increases

An electron donor

It releases H2 in a chemical reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

Brass is a

Heterogeneous mixture

Homogeneous mixture

Compound

Element

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitrogen forms a variety of compounds in all oxidation states ranging from

–3 to + 5

–3 to + 4

–3 to + 6

–3 to + 3

TRUE ANSWER : ?
YOUR ANSWER : ?

Natural rubber is the polymer of :

Ethylene

Isoprene

Styrene

Butadiene

TRUE ANSWER : ?
YOUR ANSWER : ?

Silicone is a polymer of

Silane

Silicon tetrachloride

Dialkyl dichloro silane

Tetraalkyl silane

TRUE ANSWER : ?
YOUR ANSWER : ?

The metal extracted from Bauxite is :

Silver

Copper

Aluminum

Manganese

TRUE ANSWER : ?
YOUR ANSWER : ?

White lung cancer' is caused by

Silica

Paper

Textiles

Asbestos

TRUE ANSWER : ?
YOUR ANSWER : ?

Hamburger effect is otherwise known as–

Sodium pump

Chloride shift

Respiratory product

Anaerobic metabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

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