Chemical Formulae And Equation
Quiz
•
Chemistry
•
7th - 11th Grade
•
Hard
+3
Standards-aligned
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
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the reactants in the above reaction?
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