Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Questions
>>
Olympiad-Science
>>
Class 7
Next similar question
Answer
Comment
Share
Q)
Which of the following is necessary for burning (combustion)?
A
.
P
e
t
r
o
l
B
.
O
x
y
g
e
n
C
.
C
a
r
b
o
n
D
.
N
i
t
r
o
g
e
n
Share
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
Found
2
answers. Click to login & view.
Next Similar Question >
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...
Please Wait
