|
How can you boil water at room temperature without heating it?
|
|
1
|
504
|
April 5, 2019
|
|
State the role of atmosphere in climate control
|
|
1
|
1717
|
April 5, 2019
|
|
Explain the interconversion of three states of matter in terms of force of attraction and kinetic energy of the molecules
|
|
1
|
7366
|
April 5, 2019
|
|
Name the scientists responsible for Nucleus Discoveries
|
|
1
|
491
|
April 5, 2019
|
|
In which experiment, higher percentage of copper will be obtained? Show that these data verify the law of constant proportions
|
|
1
|
542
|
April 5, 2019
|
|
Which law is also known as law of indestructibility of matter? Why?
|
|
1
|
887
|
April 5, 2019
|
|
Why do we tie our seat belts in moving car or landing/take off the plane?
|
|
1
|
1246
|
April 5, 2019
|
|
Honey, a product of beekeeping has become an agricultural enterprise these days. Explain
|
|
1
|
911
|
April 5, 2019
|
|
Density of material in g/cc
|
|
1
|
431
|
April 4, 2019
|
|
Which condition he will observe the maximum loss in weight of the solid?
|
|
1
|
456
|
April 4, 2019
|
|
1.25 g of copper carbonate was added to a beaker containing 20 g of HCl. After completion of chemical reaction
|
|
1
|
1126
|
April 4, 2019
|
|
4g of hydrogen completely reacts with 32g of oxygen. What will be the mass of water thus formed?
|
|
1
|
1028
|
April 4, 2019
|
|
Suggest any two features which make you agree with his decision
|
|
1
|
473
|
April 4, 2019
|
|
Which type of root is found in a pea plant? How do the two root sections differ from one another?
|
|
1
|
693
|
April 4, 2019
|
|
Which portion of temperature-time graph showing heating of ice at -10°C to water at 100°C represent the change of state on heating
|
|
1
|
3589
|
April 4, 2019
|
|
What happens if plasma membrane ruptures or breaks down?
|
|
1
|
1239
|
April 4, 2019
|
|
What is the name of sound waves of frequency too low to hear for human beings?
|
|
1
|
524
|
April 4, 2019
|
|
Define Longitudinal wave, Transverse wave, Loudness, Pitch and Timbre
|
|
1
|
634
|
April 4, 2019
|
|
Compute the ratio of the number of atoms of gold and silver in the ornament
|
|
1
|
617
|
April 4, 2019
|
|
What is meant by atomicity of a molecule?
|
|
1
|
643
|
April 4, 2019
|
|
Distance-time graph of two trains
|
|
1
|
3579
|
April 4, 2019
|
|
Which cell organelle is referred as powerhouse of the cell?
|
|
1
|
1194
|
April 4, 2019
|
|
The number of molecules in 0.25 mole of ammonia
|
|
1
|
1907
|
April 4, 2019
|
|
State the differences between monocots and dicots
|
|
1
|
483
|
April 4, 2019
|
|
Organism in the figure
|
|
1
|
382
|
April 4, 2019
|
|
When Reena’s motorcar makes a sharp turn at a high speed passengers lend to get thrown to one side
|
|
1
|
2154
|
April 4, 2019
|
|
What is nitrification? Name any one bacterium which helps in nitrification
|
|
1
|
546
|
April 4, 2019
|
|
Calculate the percentage change in the weight when it is taken from equator to the poles
|
|
1
|
2035
|
April 4, 2019
|
|
How much the weight of the object on surface of the Earth be affected?
|
|
1
|
472
|
April 4, 2019
|
|
How do airborne transmitted diseases like common cold spread?
|
|
1
|
1101
|
April 4, 2019
|