Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.
IMPORTANT
Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.: Overview
This topic covers various concepts like Chemical Changes, , etc.
Important Questions on Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 1
If a cylindrical wooden pole. 20 cm in diameter and 1 m in height is placed in a pool of water in a vertical position (the specific gravity of wood is 0.6), then it will
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 2
When the fermentation of fructose results in the bitter product mannitol, the fermentation is sometime termed as-
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 3
When we freeze water does its volume decrease?
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 4
What is the heat absorption rate of ice?
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 5
Which of the following is man-made resource?
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 6
Write a short note on Resources.
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 7
What are the differences between renewable and non-renewable resources? Discuss briefly with examples.
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 8
What are man-made resources? Write in briefly about its use with examples.
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 9
Briefly discuss the relationship between resources and science-technology.
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 10
Write the difference between man-made resource and human resource.
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 11
Write in brief about the relationship between resource and man.
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 12
Briefly discuss the necessity of resources with example?
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 13
What is meant by ‘resource’? Mention its characteristics.
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 14
Which of these changes can be reversed?
HARD
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 15
What is the importance of natural resources?
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 16
The picture shows how petroleum and natural gas are extracted through oil wells
Which of the following statements are supported by the picture?
Circle ‘Yes’ or ‘No’ for the correct response.
| Is this statement supported by the picture? | Yes or No |
| Petroleum is insoluble in water. | Yes/No |
| Natural gas is denser than petroleum. | Yes/No |
| Petroleum and natural gas deposits are found under rock layers. | Yes/No |
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 17
The table shows the weather over four days in a week for a city.
| Maximum Temperature | Minimum Temperature | Humidity | Rainfall | |
| Day 1 | 33℃ | 27℃ | 65℃ | 2 mm |
| Day 2 | 28℃ | 22℃ | 80℃ | 6 mm |
| Day 3 | 30℃ | 24℃ | 70℃ | 4 mm |
| Day 4 | 33℃ | 27℃ | 55℃ | 2 mm |
The weather pattern of the four days continued over the next one month.
Which season does the weather indicate?
EASY
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 18
When a disease becomes unusually widespread and even global in its reach is referred to as a _____.
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 19
Which one of the following statements is true concerning epidemic diseases?
MEDIUM
IMPORTANT
Physical Sciences>Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.>Structure and Properties of Matter - Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.> Q 20
Shubham listed the properties of three substances as:
P: Elastic, opaque, non-edible
Q: Liquid, inflammable, edible
R: Hard, floats on water, inflammable
P, Q and R respectively.
