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9th CBSE
IMPORTANT
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The correct formula of magnesium phosphate is

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Important Questions on Periodic Tests

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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 3
Two bodies of equal mass(m) moving with equal speed (v) in opposite directions collide. The resultant velocity of the combination is
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 4
What is meant by latent heat of vaporisation?
HARD
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 5
Give cause and remedy of Hepatitis.
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 6
How is weight related to mass? Is weight of a body constant?
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 7
A coolie lifts a box of 15 kg from the ground to a height of 2 m. Calculate the work done by coolie on the box. (Given, g=9.8 ms-2) 
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 8
Give two objectives of classification.
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 9
If 12g of C is burnt in the presence of 32g of O2 how much CO2 will be formed?
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Post-Mid Term Tests>Q 1
When the speed of object is doubled, then the ratio of its kinetic energy to its momentum :