Chemical Reaction-1
Quiz
•
Science
•
10th Grade
•
Medium
Ananya Guha
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ______________ are in left hand side of a reaction.
reactant
product
initiator
all of them
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Burning of methane is a ____________ reaction.
i. combination
ii. decomposition
iii. endothermic
iv. exothermic
i and ii
ii and iii
i and iv
ii and iii
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Burning of magnesium ribbon gives __________________.
ashes
metal pieces
soot
white precipitate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We can identify the change as chemical change if there is _________.
change shape and colour
evolution of gases
rise in temperature
all of them
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The -----> in a reaction gives us an idea of _____________.
which is product
which is reactant
direction of reaction
the end product
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CO + H2 -----> _____________________.
Complete the reaction in balanced form by choosing the correct option.
CO2 + H2O
CH3OH
COOH
H2CO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reaction for photosynthesis is _________.
6CO2 + 6H2O --------> C6H12O6
6CO2 + 6H20 ----------> C6H12O6 + 6O2
6CO2 (aq) + 6H20 (l) ----------> C6H1206 (aq) + 6O2 (aq)
both iii and iv
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