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CBSE->Std 10 Questions

Total Questions 2595
How is it easier to swim in sea water than in river water?
What is the magnitude of buoyant force experienced by a body?
Why a ship made of iron and steel does not sink in sea water but while the same amount of iron and steel in the form of sheet would sink?
While drawing water from well why does the bucket of water feels heavier when it is out of water?
While swimming our body feels lighter why?
Why a truck or motorbus have much wider tyres?
Why an army tank weighing more than a thousand tonne rest upon a continuous chain?
Noble gas show less reactivity. Why?
Ions are more stable than atoms. why?
What is meant by the term chemical formula?
The chemical property of an element is determined by the atomic mass or atomic number of an atom. Give reason
State the number of hydrogen atoms in 1g of hydrogen
WHAT IS MEAN BY PATRONAGE?
On the outline map of india mark:- A. The place where the Indian National Congress Session was held in December 1920. B. The place where Non-Cooperation Movement was called off.
what are the foundational challenges in a democracy ?
Discuss the steps to be taken to minimize environmental degradation by industry ?
How do industries pollute environment?
How are integrated steel plants different from mini steel plants? what problems does the industry face? what recent development have led to a rise in the production capacity?
Why do we need to conserve mineral resources ?
Describe the distribution of coal in India ?