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Coconut fibers are used for making:

Identify the process 'X', from the image below.

Non-metals react by :

Burning of paper is a:

Fill in the blanks with the correct punctuation marks.

Lily is my friend ___ the only one____ who had helped me.

Classify these changes into physical and chemical changes. [5 MARKS]

$\begin{array}{cc}S.No& Changes\\ 1& MeltingofIce\\ 2& Dissolvingsugarinwater\\ 3& Burningrubber\\ 4& Burningcamphor\\ 5& Meltingofwax\end{array}$

What is common in a rubber ball, a football and a glass marble?

While drying hair using a hair dryer, the following method is applied:

In each of the following questions, some conclusions marked 1, 2, and so on are drawn from the given statements. Select the answer choice that presents only correct conclusions.

Q15. Statements:

i. Only magazines are books.

ii. No magazines are erasers.

iii. Only dusters are erasers.

Conclusions:

1. All books are magazines.

2. All erasers are dusters.

3. All dusters are erasers.

4. No books are erasers.

Select the correct code:

Neutralization reaction is an example of ______ reaction.

Which of the following is purely a synthetic fibre?

Why iron nail sinks where as ship foat on water

What is the use of sedimentation and decantation and filtration because still after this processes germs are there in water, can we directly do distillation for insoluble impurities instead of these processes

How do you separate?

Dry flower from pulses? Name what kind of separation

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

What will happen to most of the matter that is heated?

How do we classify materials based on their hardness? Explain. [2 MARKS]

Which of the following factors does not induce left shift (dotted lines) as shown in the following graph?

The difference in size of particles is used to separate them by the process of :

Are jellies solids ,liquids or gases

Which process maintains the supply of water on land?

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:

Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a CD, smoke, a sheet of plain glass, fog, a piece of red-hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, Sun, firefly, moon. [5 MARKS]

Nina can see gas come out of water. Hence, she might be _______ the water.

Define sublimation

1. 3

Which among the following is responsible for the depletion of ozone layer?

Which of the following statements are not correct for fluids?

If you are given two sample pieces of cloth made of synthetic silk and natural silk which look the same, which among the following tests would you employ to find which cloth is natural and which one is synthetic?

Question 15

Match the mixtures in Column I with their method of separation in Column II.

Question 9 (c)

Separation of sugar from tea can be done with filtration

What will happen if we stop sorting things?

Choose the correct example of a solution.

How will you separate pasta pieces from soup?

How do we dry our clothes? Where does the water go? Name the process. [3 MARKS]

How can you separate the mixture of sand and water?

Identify the preposition from the sentence below.

Raman placed the documents on his colleague’s desk before leaving the office.

Question 1 (d)

Fill up the blank in the following:
Excessive rains may cause ___

How can the solubility of a substance be increased? (three ways)

What do we mean by transparent substance?

What do manures provide to plants?

What is groundwater? [1 MARK]

Iron and phosphorus powder are mixed together to form a magnetic black and red mixture. This is a