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CBSE->Std 10 Questions

Total Questions 2595
What is ethanol ?
EXPLAIN ALL THE EXISTING KNOLADGE OF OF EXTERESTRIAL INTELLIGANCE?
who is father of arithmetic?
Take the example of Carlos Smith and Norman ,and explain how social difference divide similar people from one another but also unit one different people
What did African-American athletes in Mexico Olympics do in order to draw the attention against the social divisions of USA
Explain with examples different forms of social differences
Explain any 5 measures to conserve water
How are the underground tankas beneficial to the people of Rajasthan
Water is available in abundance in India even then scarcity of water is experienced in major parts of the country .Explain the statement with 5 examples.
What are thew various problems associated with the construction of large tanks. Give examples to support your answer
Water is an important and critical resource of India .Support this statement by explaining any 3 points of each
Why is the need for water increasing day by day?Explain 3 reasons
Can politics in social divisions be allowed to mix?
both smoke and fog are areosols.but how do they differ.
what is emultion?give example.
name the components of a colloidal solution. define them.
name the technique used to seperate the compound of a colloidal solution.
can tyndall effect be distiguish a colloidal solution from a true solution. why?
the table below shows the daily expenditure on food of 25 households in a locality. daily expenditure in RS no of households 100-150 4 150-200 5 200-250 12 250-300 2 300-350 2 find the mean daily expenditure on food by a suitable method.
who are Africans Americans in olympics