Chemical Reactions and equations
Authored by Chandra Sekhar
Chemistry
9th - 12th Grade
NGSS covered
Used 197+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should we rub a Magnesium ribbon with sand paper before using it?
To remove the layer of carbon-di-oxide formed on it.
To remove the layer of chlorine formed on it.
To remove the layer of oxygen formed on it.
To remove the layer of neon formed on it.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnesium and oxygen react with each other and form
Magnesium di oxide.
Magnesium triphosphate
Magnesium oxide.
Magnesium Hydroxide
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical equation of Aluminium Hydroxide?
Al2O3Al_2O_3
Al2
O3
Al3O2Al_3O_2
Al3
O2
Al(OH)2Al(OH)_2
Al(OH)2
Al(OH)3Al\left(OH\right)_3
Al(OH)3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical reaction in which two or more substances combine with each other to form a single substance is called?
Double displacement reaction
Displacement reaction
Combination reaction
Decomposition rection
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula of Quick lime?
CaO
CaOH
NaOH
MgO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula of Glucose?
C6H6O12C_6H_6O_{12}
C6
H6
O12
C6H12O5C_6H_{12}O_5
C6
H12
O5
C6H12O6C_6H_{12}O_6
C6
H12
O6
C12O6H3C_{12}O_6H_3
C12
O6
H3
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Decomposition
Double displacement
Dispalcement
Combination
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