Test fundamental of chemistry and structure of atoms

Test fundamental of chemistry and structure of atoms

9th Grade

20 Qs

quiz-placeholder

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Test fundamental of chemistry and structure of atoms

Test fundamental of chemistry and structure of atoms

Assessment

Quiz

Chemistry

9th Grade

Medium

Created by

FBISE Chemistry

Used 113+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Some compounds such as CO2, CO, carbonates and bicarbonates are studied in _______________ chemistry.

Organic

Inorganic

Industrial

Nuclear

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A compound with a chemical formula Na2CX3 has a formula mass 106 amu. What is the atomic mass of X? (atomic mass C=12. Na = 23 )

106

23

12

16

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms are there in 1.25 moles of Zn?

 6.53 ×10236.53\ \times10^{23}  

 7.59 ×10237.59\ \times10^{23}  

 8.53 ×10238.53\ \times10^{23}  

 9.53 ×10239.53\ \times10^{23}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The empirical formula of for caffeine is ( C8H10N4O2 )

C5H5N2O

C4H5N2O

C4H5NO

C4H5NO2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Acetic acid is ____________ compound.

organic

Inorganic

nuclear

metallic

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The empirical formula of glucose is ­­­­­­­­­­­­­­_____________.

C6H12O6

C2H4O

CH2O

CHO

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The chemical reactions occurs in photosynthesis are studied in ____________ chemistry.

Industrial

inorganic

biochemistry

environmental

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