Explore topic-wise InterviewSolutions in Current Affairs.

When we go in a mall especially at cloth shop, we find that the front wall of the shop is made up of glass through which we can see the clothes kept inside as well as there are mannequin (dummies wearing clothes) kept in front of the wall which attracts us to go inside the shop. By which property of glass can we see the objects behind the glass?

Identify the element(s) that are liquid at room temperature.

A mixture of oil and water can be separated by using a ___.

Question 20

Draw a diagram to show how seawater reaches a lake or pond?

Question 6

Transpiration is a process in which plants

(a) receive water from the soil
(b) Absorb water vapour from the air
(c) prepare food from the water
(d) release water in the form of water vapour

What happens when kerosene spills in a puddle of water?

Decantation is used for separation of:

Zinc and copper are constituents of ________ solution.

Which of the given device(s) converts chemical energy to electrical energy?

Question 1 (c)

Fill up the blank in the following:
No rainfall for a year or more may lead to ___ in that region.

Which of the following is not a greenhouse gas?

The water purification methods are:

Baking of cake is:

After Kenneth's reply, John could remember that he had seen in movies that people cover themselves in blankets during fires. He asked Kenneth 'how would you explain this activity?' Is it true that blankets save us from fires? Can you give us a reason.

Kenneth: Yes blankets save us from fires. But I don't know the exact reason. Maybe Sam can help us.

John: Yes Sam you must be knowing this.

Sam: Yes, I know........................

Which of the following can be Sam's answer?

Explain sedimentation and decantation.

Which of the following is a probable hypothesis for the origin of water on Earth?

Filtered water may still have ______ in it.

Which one of the following would be affected by raising the temperature?

The formula of a compound having its constituent as $X$ and $Y$ is $X_2{Y}_3$. If the element will form its chloride then what will be the formula of the compound?

After studying, Shreya decided to make coffee. While making coffee, she thought about the kind of change involved. What is it according to you?

Read the two statements given below:
(i) The compressed air in the tires of a car exerts a force enough to lift it.
(ii) The air around us is a mixture of only gases.

As shown in the given figure, the clothes when put out in the Sun, get dried up because:

Which of the following are incorrect regarding natural gas?

Which of the following mixtures would be separated using handpicking technique?

Mention 5 ways into which we can classify materials found on the Earth. [5 MARKS]

Stone can be separated from the rice by

Question 12

Fill in the blanks with appropriate words:
(i) Small pieces of stone can be removed from rice by ___.
(ii) ___ are obtained from stalks by threshing.
(iii) Husk from wheat flour is generally removed by ___.
(iv) The process of settling of heavier particles is called ___.
(v) Filtration is helpful in separating an insoluble ___ from a ___.

Which among these is an element?

Contamination of rivers like Ganga leads to:

Which of the following material will float on water?

Which feeds the open wells?

Aquatic animals use _________ in water for respiration.

Match the following terms in Column - I with those in Column - II correctly.

Choose the odd one out.

Identify the proper noun from the sentence below.

The stole that Michelle bought was too expensive so I did not buy it for myself.

The method used for separation of lighter particles from heavier particles by wind is called:

When are cotton balls plucked?

Which of the following is/are both physical and reversible changes?

When we burn different substances, the flames _____________ .

The substance that is composed of two or more elements, chemically combined with one another in a fixed proportion of mass is called ___ .

A beaker is filled with water to its brim. A child, while playing drops his ball of mass 1 kg into it and eventually ends up wetting himself with water. He weighs the water and found it to be 1 N. Find the buoyant force experienced by the ball.

Rohan and Siddhant were walking through a village and on their way they saw many sheeps, looking at them Siddhant said that we get wool from them which is a natural fibre then he asked Rohan to tell him about synthetic fibres. Which of the following options correctly explains synthetic fibres?

Cause: It has been reported by some important newspapers that current year monsoon can be lower than desired level as in so many parts of the country it is not raining as it is required.

Which of the following can be a possible effect of above-mentioned situation?

Why do we separate substances present in a mixture?
i) To separate wanted components from unwanted components.
ii) To remove impurities.

Difference in the weight of particles is used to separate them by the process of

Which gas do we exhale?