Q1-Module 1 Useful and Harmful Materials
Quiz by RELIZA ALIMANGO
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- Q1
Farmers use chemical fertilizer to increase their harvest. What are the harmful effects of this when improperly used?
It pollutes water, air and soil
It destroys the plants
It gives abundant harvest
It gives more income to the farmer
30sS5MT-Ia-b-1 - Q2
Chemical substances that are left over from making products such as soap, detergent, hair spray and canned goods. What are you going to do with these harmful materials?
Leave it anywhere at home
All of the above
Throw into the bodies of water
Buried into the soil
30sS5MT-Ia-b-1 - Q3
Oil spill from ships, barge pollutes the ocean too. What are the most harmful affected by these materials?
Aquatic plants and materials
Birds flying around the sea
People travelling and crossing the ocean
None of the above
30sS5MT-Ia-b-1 - Q4
Muriatic acid, zonrox, chlorine is substances used as stain remover. When are these become harmful?
Do not use these without guide
When live these anywhere at home
Keep this in the proper place
None of the above
30sS5MT-Ia-b-1 - Q5
LPG, Kerosene, dishwashing liquid, stain remover are useful substances. How can you prevent the harmful effect of it?
None of the above:
Do not use it
Leave where can reach these
Keep it properly
30sS5MT-Ia-b-1 - Q6
Which undergoes a chemical change:
a piece of burning wood
a cotton soaked in water
a floating balloon
a piece of cloth cut into pieces.
30sS5MT-Ic-d-2 - Q7
Which product is formed by chemical change?
a gold ring
an earthen jar
plastics cups
wood furniture
30sS5MT-Ic-d-2 - Q8
We can easily recognize that a chemical change occurred in matter because of the following signs except.
formation of new substance
change in size and shape
change in color
production of gas
30sS5MT-Ic-d-2 - Q9
Which statement best describes a chemical change?
There is a change in shape, size and texture.
The change did not form a new substance.
A new substance is formed.
The change is not effective
30sS5MT-Ic-d-2 - Q10
Which of these activities will result to a chemical change?
Ian mixes sugar and water.
Elma sweeps the dust from the floor.
Beth uses baking soda powder she bakes the cake.
Ana cut paper into pieces
30sS5MT-Ic-d-2