Sorting Materials Into Groups - Class 6 Chemistry - Extra Questions
Identify materials of common use in the bathroom and fill in the blanks in the table given:
| Place | Name of thing | Material used for making the thing |
Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt.
Name two articles made from leather.
Make a table of different types of objects that are made from the same material.
Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one materials and a given material could be used for making many objects.
| Objects | Materials |
| Book | Glass |
| Tumbler | Wood |
| Chair | Paper |
| Toy | Leather |
| Shoes | Plastics |
What is the common property between salt and sand?
During summer holidays, a group of children collected a lum of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in Table 4.1 help them in filling the table.
Is oil soluble in water?
Write an experiment to show that our palm is translucent.
In highly seismic areas, what material should be used for the construction of houses and why?
Sunlight and heat are abiotic components. Justify the statement.
What precautions should be taken to make a house earthquake safe?
Why does an object float or sink when put in water?
Differentiate between drying oil and non-drying oil with examples.
$$K_p$$ for following
$$2H_2S(g) \rightarrow 2H_2(g) +S_2(g) K_p=1.2 \times 10^2$$ at $$106.5$$
Kc=?
Identify materials of common use in the kitchen and fill in the blanks in the table given:
Place
Name of the thing
Material used for making the thing
| Place | Name of the thing | Material used for making the thing |
Differentiate among opaque, translucent and transparent materials, giving one example of each.
Give a list showing eight materials.
Match the object given in column I with the materials given column II.
Column I Column II (a) Surgical Instruments (i) Plastic (b) Newspaper (ii) Animal product (c) Electrical switches (iii) Steel (d) Wool (iv) Plant product
Which among the following materials would you identify as soft as soft material and why? Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board , cooked rice, pulses, and fresh chapati.
Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flowers, soil, copper sulphate crystals, glucose, wheat flour and some substances given to Paheli. She wants to know whether these substance are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.
Name five objects that can be made from wood.
Comment upon the following: rigidity, compressibility, filling a gas container, fluidity, shape, kinetic energy and density.
Give reason: Sugar can be separated from its mixture with talcum powder using water.
Fill in the blanks using the proper word.
Man-made materials are made by the ............... of natural materials.
Fill in the blanks:
The physical state of a substance, which has a fixed volume but no fixed shape is _____.
Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt.
State if the following is physical property of a substance:
Sodium nitrate is soluble in water but calcium carbonate is not.
State if the following is physical property of a substance:
Sodium nitrate is soluble in water but calcium carbonate is not.
What are natural and man made materials? Give examples.
Fill in the blanks:
Molecules of a substance are always in a state of _______ and so they possess _________.
A balloon filled with air and an empty balloon weighed in a digital balance found a difference in weight. What are the properties of matter understood by this experiment?
Why do we require to group materials? Give reason.
Name a gas which is soluble in water.
Make a table and find out whether the following materials mix with water: vinegar, lemon juice, mustard oil, coconut oil, kerosene. What does it show about the water solubility of these materials?
Write any four properties of materials.
Mention some materials which are made up of paper.
Make a table of objects and the materials they are made of Plate, Pen, Bucket, Knife.
Write two gases which are soluble in water.
Given below are the names of some objects and materials: water, basketball, orange, sugar, globe, apple and earthen pitcher. Group them as:
a) Circular and not circular
b) Edibles and inedibles
Take a small cotton ball and it in a tumbler/bowl filled with water. Observe it for at least $$10$$ minutes. Will it float and sink in water and why?
It was paheli's birthday. Her grandmother gave her two gift made of metals. One old dull silver spoon and a pain of lustrous gold earrings. She was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference ?
Mixture of red chilli Powder in water, butter in water, petrol in water, and honey in water was given to radha,sudha, Sofia and raveena, respectively whose mixture is in solution form ?
Raveena will get solution, because honey will dissolve in water whereas red chilli powder, butter and petrol will float on water.
