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CBSE Class 9 Answered

What is the force and acceleration obtained by the centrifuge during centrifugation?
 
Asked by md775016 | 05 Aug, 2017, 04:12: PM
answered-by-expert Expert Answer
Centripetal force is applied during centrifugation.
Answered by Prachi Sawant | 07 Aug, 2017, 01:47: PM

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CBSE 9 - Chemistry
experiment ink was stirred in water in test tube I and mustard oil was stirred in waterin test tube II. The test tubes were allowed to stand. Write your observation in each casethat is test tube I and test tube II.Also give a suitable reason for your observation.
Asked by aaravsharma10041980 | 06 Dec, 2021, 09:58: AM
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CBSE 9 - Chemistry
Explain distillation method using two separate liquids and lower boiling point difference Acetone and ethanol
Asked by raily.lodh | 11 Nov, 2021, 09:10: AM
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CBSE 9 - Chemistry
What is chromatography
Asked by amirxoku | 03 Jul, 2021, 01:06: PM
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CBSE 9 - Chemistry
After opening the soft drink like Coca-Cola we see some bubbles this indicates that it is a heterogeneous mixture but why we call it as a homogeneous mixture
Asked by dharshini19 | 16 Feb, 2021, 07:29: PM
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CBSE 9 - Chemistry
Name the process of the separation techniques you would follow to separate (1) mixture of petrol and water
Asked by thevaishnavibaghel | 27 Apr, 2020, 04:28: PM
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CBSE 9 - Chemistry
How to separate milk from water
Asked by susmitaroyb | 30 Sep, 2019, 09:02: PM
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CBSE 9 - Chemistry
Apparatus, procedure,observation and conclusion for paper chromatography and crystallization  
Asked by akshah2407 | 06 Aug, 2019, 06:19: PM
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CBSE 9 - Chemistry
separation technique used to separate 1. mustard oil from water                                                                2. ceram from milk                                                                 3.components of ink                                                                4.aceton from water
Asked by ayushkumarjena07 | 20 Apr, 2019, 07:06: PM
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CBSE 9 - Chemistry
Differentiate between simple distillation and fractional distillation in points
Asked by rohit.rt2004 | 21 Feb, 2019, 05:38: PM
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CBSE 9 - Chemistry
In CBSE Grade 9 SC text book mentioned 25 degree K is the minimum  difference of boiling point required to apply distilation technique to seperate mixture, but in most of the site it mentioned 25  degree Celcius  , which one is correct? 
Asked by Nimmi | 02 Jul, 2018, 11:02: AM
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