List of practice Questions

One who looks at the dark side of things is called:
The phrase 'pick holes in' means:
The synonym of 'severe' is:

Complete the following table:

Name of ChandrayaanDate of LaunchingObjectives of Mission
Chandrayaan-1 (a)
(b)
(c)
Chandrayaan-2 (a)
(b)
(c)
Chandrayaan-3 (a)
(b)
(c)

 

Observe the diagram given below and answer the questions:

Name the reactants in this reaction.

Observe the diagram given below and answer the questions:

Which gas comes out as effervescence in the bigger test tube?

Observe the diagram given below and answer the questions:

What is the colour change in the lime water?

Observe the diagram given below and answer the questions:

In the above experiment, instead of sodium carbonate, which chemical can be used to get the same products?

Observe the diagram given below and answer the questions:

Write the use of acetic acid.

If the distance between the two bodies is tripled, how will the gravitational force between them change?
What will happen to the gravitational force if the mass of one of the objects is doubled?
How much time will the satellite take to complete one revolution around the Earth? (Radius of Earth = 6400 km.)
What is a solenoid? Draw a neat diagram and name its various components.

Observe the given diagram and answer the questions:

Name the process shown in the figure.

Observe the given diagram and answer the questions:
Name the colour that deviates the most.

Observe the given diagram and answer the questions:
Name the colour that deviates the least.

Observe the given diagram and answer the questions:
Name any one phenomenon in nature which is based on the above process.

Observe the given diagram and answer the questions:
Define ‘spectrum’.

What is meant by satellite launch vehicle? Name any one Indian satellite launch vehicle.
What is free fall? When is it possible?
The focal length of a convex lens is 20 cm. What is its power?
What are the factors affecting the rate of chemical reaction?

Observe the following graph and answer the following questions:

What does the graph represent?

Complete the following table by observing the given figures:

Write any three general properties of ionic compounds.