Chemical Formulae And Equation

Chemical Formulae And Equation

7th - 11th Grade

21 Qs

quiz-placeholder

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Chemical Formulae And Equation

Chemical Formulae And Equation

Assessment

Quiz

Chemistry

7th - 11th Grade

Hard

NGSS
HS-PS1-2, MS-PS1-1, HS-PS1-3

+3

Standards-aligned

Created by

Azrol Hisyam Abdul Aziz

Used 80+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The smallest unit of matter which can exist independently is called

an atom

a molecule

a compound

an element

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank space to balance the chemical equation.

2KI + ____Cl2 → 2KCl + I2

1

2

3

4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When balancing this equation, Fe + Cl2 → FeCl3, what is the correct coefficient for Cl2?

1

2

3

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the formulae for calcium ion is Ca2+ and carbonate ion is CO32-. Choose the correct chemical formula of calcium carbonate.

Diberi formula ion kalsium ialah Ca2+ dan ion karbonat ialah CO32-. Pilih formula kimia yang betul bagi kalsium karbonat.

Ca(CO3)2

CaCO3

Ca2CO3

Ca3(CO3)2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following chemical formulae is correct?

Antara formula kimia berikut, yang manakah betul?

Li2O

KBr2

Al3Cl

MgNO3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a compound?
Co
O2
C
CO2

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ag(NO3)2 + HCl --> HNO3 + AgCl2
What are the reactants in the above reaction?
Ag(NO3)2 + HCl
HNO3 + AgCl2
HCl + HNO3
Ag(NO3)2 + AgCl2

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