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The escape velocity on the moon is less than that on the earth.
Concept: undefined >> undefined
Write an Explanation.
Magnification
Concept: undefined >> undefined
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Write an Explanation.
Magnification
Concept: undefined >> undefined
Write a scientific reason.
In a group, the size of the atom increases as it goes down from the top.
Concept: undefined >> undefined
Drops of water can be seen accumulating on the glass of vehicles in the early hours of winter.
Concept: undefined >> undefined
Write scientific reason.
During winter season, we may have observed a white trail at the back of the aeroplane flying high in the clear sky or sometimes it may not get formed.
Concept: undefined >> undefined
Write scientific reason.
Satellite launch vehicles are used to place satellites in their specific orbits.
Concept: undefined >> undefined
Write scientific reason.
The Launch vehicles are very costly.
Concept: undefined >> undefined
Write a short note.
Dew point temperature
Concept: undefined >> undefined
Observe the given figure and answer these following questions.

- What is the conclusion about the orbit of a planet?
- What is the relation between velocity of planet and distance from sun?
- ASB, CSD and ESF relation between areas explain.
Concept: undefined >> undefined
Describe the merits of Mendeleev’s periodic table?
Concept: undefined >> undefined
What is electrolysis?
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Explain the reaction given in the figure.

Concept: undefined >> undefined
Geeta observed a white trail at the back of aeroplane in a clear sky to answer the question from this incident given below.
- What will be the effect of relative humidity of the air surrounding the plane?
- What will be the effect of relative humidity of the air surrounding the plane is low?
- When the air is dry and humid?
Concept: undefined >> undefined
Explain:
Escape velocity on the moon is less than escape velocity on the earth.
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Write the names of India's satellite series and launchers?
Concept: undefined >> undefined
The functioning of the satellite launch vehicle is based on ______.
Concept: undefined >> undefined
Identify saturated and unsaturated hydrocarbons from the given structural formula:
| \[\begin{array}{cc} \phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}\\ \phantom{}|\phantom{...}|\phantom{}\\ \ce{H-C-C-H}\\ \phantom{}|\phantom{...}|\phantom{}\\ \phantom{}\ce{H}\phantom{..}\ce{H}\phantom{} \end{array}\] |
\[\begin{array}{cc} \phantom{..}\ce{H}\phantom{........}\ce{H}\phantom{.}\\ \phantom{.}\backslash\phantom{......}/\phantom{}\\ \ce{C = C}\\ \phantom{}/\phantom{......}\backslash\phantom{}\\ \phantom{}\ce{H}\phantom{........}\ce{H}\phantom{} \end{array}\] |
| (1) | (2) |
Concept: undefined >> undefined
Draw electron dot structure for the following:
\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}\\
\phantom{}|\phantom{...}|\phantom{}\\
\ce{H-C-C-H}\\
\phantom{}|\phantom{...}|\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}
\end{array}\]
Concept: undefined >> undefined
