UNIT – 06 (STOICHIOMETERY)

UNIT – 06 (STOICHIOMETERY)

KG

71 Qs

quiz-placeholder

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UNIT – 06 (STOICHIOMETERY)

UNIT – 06 (STOICHIOMETERY)

Assessment

Quiz

English

KG

Practice Problem

Medium

Created by

Syed Shahab

Used 1+ times

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71 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The empirical formula represents:

The actual number of atoms in a molecule

The simplest whole-number ratio of atoms

The structural arrangement of atoms

The physical properties of a compound

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The empirical formula of benzene (C6H6) is:

C2H2

CH

C6H6

CH3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The molecular formula of hydrogen peroxide is:

H2O

HO

H2O2

H3O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a compound has a carbon-to-hydrogen ratio of 2:6, its empirical formula is:

C2H6

CH3

CH6

CH2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A compound with molecular formula C6H12O6 has an empirical formula of:

CH2O

C6H6O6

C3H6O3

C2H4O2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molecular mass is determined by:

The sum of atomic numbers

The sum of atomic masses in a molecule

The number of molecules present

The number of isotopes present

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The molecular mass of water (H2O) is:

18 amu

20 amu

16 amu

10 amu

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