who said "Facts are not science --- as the dctionary is not literature."
chemical reactions and equations

Quiz
•
Chemistry
•
10th Grade
•
Easy
Vaishnavi Prabhakar
Used 6+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Martin H. Fischer
Albert Einstein
Newton
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In chemical reaction
rearrangement of atoms takes place
atoms of element change into different element to form compound
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
magnesiumm ribbon burns with
dazzling white flame
dazzling light green flame
dazzling pink flame
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
when magnesium ribbon is burned it forms a white powder called
magnesium carbonate
magnesium oxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
magnesium ribbon before burning is cleaned by sandpaper. Why?
to remove the layer of magnesium oxide
to remove the layer of magnesium carbonate
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
we know chemical cange takes plaace when there is
change is tempeature
change in state
change in colour
formation of precipitate
evolution of gas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
substances which take part in chemical reation are known as
reactants
products
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