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CBSE Class 11 Science Free Doubts and Solutions

CBSE - XI Science - Physics

2?

Asked by smanishkumar2002 22nd June 2018, 9:20 PM
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CBSE - XI Science - Physics

Please answer question number 5

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Asked by arunavamitra50 22nd June 2018, 7:01 PM
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CBSE - XI Science - Mathematics

The vapour density of a gas at 25 degree centigrade is 25.What will be its Vapour density at 50 degree centigrade?Explain.

Asked by tps.mjmdr 22nd June 2018, 6:36 PM
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CBSE - XI Science - Chemistry

Emperical formula of a gaseous compound is CH2Cl. 0.12 g of the compound occupies a volume of 37.20cc at 105 degree centigrade and 768mm Hg.Find the molecular formula of the compound.

Asked by tps.mjmdr 22nd June 2018, 6:36 PM
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CBSE - XI Science - Mathematics

"Number of elements in exactly one of the sets A,B,C " what does this line mean

Asked by govtsecschoolnayaganv051 22nd June 2018, 3:52 PM
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CBSE - XI Science - Physics

A ball is thrown vertically upwards with speed of 10m/s from the top of the tower 200m high and another is thrown vertically downwards with the same speed simultaneously.the time difference between them in reaching the ground in seconds(g=10m/s²)  

Asked by Sachinkumarrayray7755 22nd June 2018, 2:58 PM
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CBSE - XI Science - Chemistry

molecules present in 20g H2O  

Asked by kusumgchouhan001 22nd June 2018, 9:33 AM
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CBSE - XI Science - Physics

The particle is moving on a straight line path with initial velocity 45m/s  and along +ve x-axis and acceleration of 10. along -ve x-axis. The distance travelled by the particle in 5th second of its motion is ?

Asked by arunavamitra50 21st June 2018, 7:05 AM
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CBSE - XI Science - Physics

The relation between distance 'x' and time 't' is t = A(x^2) + Bx , where A and B are constants . The retardation is ?

Asked by arunavamitra50 21st June 2018, 6:57 AM
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CBSE - XI Science - Mathematics

5th sum

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Asked by lovemaan5500 21st June 2018, 6:56 AM
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