Forwarded from Shubham Jha - Class 10
Which of the following oxide’s of iron can be obtained on prolonged reaction of iron with steam?
Anonymous Quiz
28%
Fe3O4
18%
FeO
25%
Fe2O3
30%
Fe3O4 and Fe2O3
Forwarded from Shubham Jha - Class 10
When copper oxide reacts with hydrochloric acid,
Anonymous Quiz
33%
Neutralization Reaction
25%
Double Displacement
35%
Both A and B
7%
None of above
Forwarded from Shubham Jha - Class 10
On brining moist blue litmus paper near nitrogen dioxide gas,
Anonymous Quiz
45%
Blue litmus turns Red
27%
Red litmus turns Blue
18%
No Change
10%
Mujhe nahi ata
Balanced forces are defined as :
Anonymous Quiz
49%
If two or more forces cancel each other
24%
If two or more forces do not cancel each other
23%
Both a and b
5%
None
When we stretch a rubber band this is example of -
Anonymous Quiz
74%
Change shape of the object by force
6%
Stop motion by the force
16%
Change direction of motion by force
4%
None
What is force ?
Anonymous Quiz
83%
A push or a pull on the body
14%
Movement of the body
1%
A body is at rest
2%
None
When a batsman hits the cricket ball, this is an example of:
Anonymous Quiz
50%
Change direction of motion by force
5%
Stop motion by the force
18%
Change speed by the force
27%
Both a and c
Magnet force is defined as :
Anonymous Quiz
84%
Attraction iron - object
7%
Attraction of plastic object
3%
Attraction of wood object
5%
None
Gravitational force is -
Anonymous Quiz
19%
Pulling any object
5%
Pushing any object
75%
Force applied by earth on an object in downward direction
2%
None
Muscular forces are :
Anonymous Quiz
75%
The force obtained by the working of human body muscles
8%
Force obtained by any instrument
14%
Both a and b
3%
None
Balanced forces can:
Anonymous Quiz
36%
Cause motion and stop motion
33%
Change speed and change direction of motion
11%
Change shape of objects
19%
None