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General Science MCQs | Concept of Producing BIO Fuel Method

General Science MCQs

Concept of Producing BIO Fuel Method

How is biofuel made?
(a) By fermenting the sugar components of starch crops
(b) By reacting vegetable oil or animal fat with an alcohol
(c) By treating plant oil or animal fat with hydrogen
(d) All of the above
Answer: (d)

Ethanol is biofuel and are known as
(a) carbon neutral
(b) hydrogen neutral
(c) oxygen neutral
(d) All of them
Answer: (a)

Propan-2-ol will get oxidized to give
(a) aldehyde
(b) ketone
(c) alcohol
(d) carbonyl
Answer: (b)

2 methyl-2 propan-2-ol is an example of
(a) primary alcohol
(b) secondary alcohol
(c) tertiary alcohol
(d) quaternary alcohol
Answer: (c)

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Atomic Structure MCQs (Set-II) | General Science and Ability Solved MCQs

A type of chemical bond that is consists of positive ions in a sea of electrons a(n)
(a) Covalent bond.
(b) Ionic bond.
(c) Metallic bond
(d) Hydrogen bond
Answer: (c)

A weak attraction between a hydrogen atom in one molecule and an oxygen in another is called a(n)
(a) Ionic bond.
(b) Covalent bond
(c) Metallic bond
(d) Hydrogen bond
Answer: (d)

In a Lewis dot structure the dots represent
(a) Atomic nuclei
(b) Valence electrons
(c) Kernel electrons
(d) Protons
Answer: (b)

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Atomic Structure MCQs | General Science and Ability Solved MCQs

Which of the following statements is true?
(a) Atoms of the same element may have different masses.
(b) Atoms may be divided in ordinary chemical reactions.
(c) Atoms can never combine with any other atoms.
(d) Matter is composed of large particles called atoms.
Answer: (a)

The mass of a neutron is
(a) about the same as that of a proton.
(b) about the same as that of an electron.
(c) double that of a proton.
(d) double that of an electron.
Answer: (a)

The nucleus of most atoms is composed of
(a) tightly packed protons.
(b) tightly packed neutrons.
(c) tightly packed protons and neutrons.
(d) loosely connected protons and electrons.
Answer: (c)