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Grade 10 Exam  >  Grade 10 Tests  >  Chemistry for Grade 10  >  Test: Small Molecules - Grade 10 MCQ

Test: Small Molecules - Grade 10 MCQ


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10 Questions MCQ Test Chemistry for Grade 10 - Test: Small Molecules

Test: Small Molecules for Grade 10 2024 is part of Chemistry for Grade 10 preparation. The Test: Small Molecules questions and answers have been prepared according to the Grade 10 exam syllabus.The Test: Small Molecules MCQs are made for Grade 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Small Molecules below.
Solutions of Test: Small Molecules questions in English are available as part of our Chemistry for Grade 10 for Grade 10 & Test: Small Molecules solutions in Hindi for Chemistry for Grade 10 course. Download more important topics, notes, lectures and mock test series for Grade 10 Exam by signing up for free. Attempt Test: Small Molecules | 10 questions in 10 minutes | Mock test for Grade 10 preparation | Free important questions MCQ to study Chemistry for Grade 10 for Grade 10 Exam | Download free PDF with solutions
Test: Small Molecules - Question 1
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What is a covalent bond?

Detailed Solution for Test: Small Molecules - Question 1

A covalent bond is a bond formed when two atoms share a pair of electrons.

Test: Small Molecules - Question 2
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How many different types of atom are in an NH3 molecule?

Detailed Solution for Test: Small Molecules - Question 2

There are two different types of atom in an ammonia molecule - nitrogen atoms and hydrogen atoms.

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Test: Small Molecules - Question 3
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In a dot and cross diagram, what does each dot represent?

Detailed Solution for Test: Small Molecules - Question 3

In a dot and cross diagram, each dot and cross represents an electron.

Test: Small Molecules - Question 4
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What is the greatest number of covalent bonds that one carbon atom can form?
Detailed Solution for Test: Small Molecules - Question 4

The greatest number of covalent bonds that one carbon atom can form is four.

Test: Small Molecules - Question 5
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How many electrons are shared in a double bond?
Detailed Solution for Test: Small Molecules - Question 5

Four electrons (two pairs) are shared in a double bond.

Test: Small Molecules - Question 6
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When a substance made of small molecules boils, what does the energy overcome?
Detailed Solution for Test: Small Molecules - Question 6

When a substance made of small molecules boils, the energy overcomes the intermolecular forces.

Test: Small Molecules - Question 7
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Which statement best explains why substances made of small molecules cannot conduct electricity?
Detailed Solution for Test: Small Molecules - Question 7

Substances made of small molecules do not conduct electricity because they have no charged particles that are free to move from place to place.

Test: Small Molecules - Question 8
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What is the formula of methane?
Detailed Solution for Test: Small Molecules - Question 8

The formula of methane is CH4.

Test: Small Molecules - Question 9
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What is a triple bond?
Detailed Solution for Test: Small Molecules - Question 9

A triple bond is three pairs of electrons shared between two atoms.

Test: Small Molecules - Question 10
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What is the total number of atoms in an H2O molecule?
Detailed Solution for Test: Small Molecules - Question 10

There are two hydrogen atoms and one oxygen atom in a water molecule, so the total number of atoms is three.

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