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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 10

In an experiment, 5 cm3 of 1.0 mol/dm3 NaOH solution is gradually added to 10 cm3 of 1.0 mol/dm3 HCl solution containing methyl orange indicator.



Which of the following changes will occur in the mixture?

A pH of the resultant solution increases.
BThe methyl orange indicator changes colour from red to yellow.
CNumber of moles of water decreases and beaker gets warmed up.
DA precipitate is formed.


the solution is acidic hence it will have PH in decrees form so the answer should be option 2

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Subject :NSO    Class : Class 10

In an experiment, 5 cm3 of 1.0 mol/dm3 NaOH solution is gradually added to 10 cm3 of 1.0 mol/dm3 HCl solution containing methyl orange indicator.



Which of the following changes will occur in the mixture?

A pH of the resultant solution increases.
BThe methyl orange indicator changes colour from red to yellow.
CNumber of moles of water decreases and beaker gets warmed up.
DA precipitate is formed.


the solution is acidic hence it will have PH in decrees form so the answer should be option 2

Ans 1:

Class : Class 9
D NaCl is formed as precipitate

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 2

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Subject :NSO    Class : Class 4

Sumeet threw a pebble directly upwards. Which one of the following statements is correct regarding this?


A Gravity will have no effect on the pebble until it reaches its highest point.
B The pebble will keep going upwards at the same speed until it reaches its highest point.
C The pebble will keep going upwards until gravity ceases to act on it.
D Gravity will act on the pebble both while it is going up and also while it is falling down.


Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 5
Gravitational force (gravity), is a force that pulls everything towards the Earth. It will act on the pebble both while it is going up and also when it is falling down.

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 1

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