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Explain the formation of rainbow
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0
|
75319
|
October 19, 2016
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Differentiate between soap and detergent
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1
|
82400
|
September 21, 2016
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With the help of a chemical equation, explain how a soda-acid fire extinguisher helps in putting out a fire
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1
|
14809
|
August 5, 2019
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What will be the length of a nichrome wire of resistance 5.0 ohm
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1
|
2724
|
July 16, 2019
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State laws of refraction
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2
|
3284
|
June 12, 2019
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What is Tyndall effect?
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1
|
6090
|
June 12, 2019
|
|
State the two laws of reflection of light
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2
|
2810
|
June 12, 2019
|
|
Draw a path of light ray passing through a prism. Label angle of incidence and angle of deviation in the ray diagram
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1
|
1493
|
April 8, 2019
|
|
A student sees that needle indicates 17 divisions in ammeter while performing an experiment to verify Ohm’s law
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1
|
2050
|
April 8, 2019
|
|
Student conducted an experiment to show CO2 is released during respiration. List two precautions?
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1
|
1607
|
April 8, 2019
|
|
A student observed a permanent slide showing asexual reproduction in yeast
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|
1
|
1960
|
April 8, 2019
|
|
Observe when you drop a few drops of acetic acid to a test tube containing: Phenolphthalein
|
|
1
|
983
|
April 5, 2019
|
|
(a) What do you understand by “Watershed Management”?
|
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1
|
3601
|
April 5, 2019
|
|
(a) “Improvements in our lifestyle have resulted in greater amounts of waste generation.”
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1
|
8873
|
April 5, 2019
|
|
(a) What is reactivity series?
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1
|
1260
|
April 5, 2019
|
|
1. What kind of defect in vision is she suffering from?
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|
1
|
2336
|
April 5, 2019
|
|
1. Draw a neat diagram of human brain and Label Medulla and Cerebellum
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1
|
5138
|
April 5, 2019
|
|
Draw the structural formulae of all the possible isomers
|
|
1
|
713
|
April 5, 2019
|
|
In bow many ways one can join the models of six carbon atoms and fourteen hydrogen atoms
|
|
1
|
1736
|
April 5, 2019
|
|
Find the direction of magnetic field associated with a current carrying conductor
|
|
1
|
903
|
April 5, 2019
|
|
(a) To which category of diseases AIDS belong? Name its causative organism
|
|
1
|
7891
|
April 5, 2019
|
|
Why are fossils considered important in the study of evolution?
|
|
1
|
1306
|
April 5, 2019
|
|
“pH has a great importance in our daily life” explain by giving three examples
|
|
1
|
19961
|
April 5, 2019
|
|
Rohit focused the image of a candle flame on a white screen using a convex lens
|
|
1
|
3090
|
April 5, 2019
|
|
How do Mendel’s experiments show that traits may be dominant or recessive?
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|
1
|
1084
|
April 5, 2019
|
|
Explain the ways in which glucose is broken down in absence of oxygen
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|
1
|
7752
|
April 5, 2019
|
|
Differentiate between the Mendeleev’s periodic table and Modern periodic table
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|
1
|
874
|
April 5, 2019
|
|
Name the electric device that converts mechanical energy into electrical energy
|
|
1
|
1239
|
April 5, 2019
|
|
Why is there a need to harness non-conventional sources of energy? Give two main reasons
|
|
1
|
814
|
April 5, 2019
|
|
An object of height 1.2 m is placed before a concave mirror of focal length 20 cm
|
|
1
|
9659
|
April 5, 2019
|