EASY
Earn 100

What are the advantages of using non-renewable resources over renewable resources? 

Important Questions on Soil - Our Life

EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation

A non-renewable resource is a natural resource. It can be replaced by natural process at a rate equal to or faster than its rate of consumption by humans.

Read this statement and say whether it is correct or incorrect. If it is incorrect, give the correct statement.

MEDIUM
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
List the disadvantages of using fossil fuels.
HARD
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation

Find the correct statement.

EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Write the name of one alternate source of energy.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
State the energy changes in the case of a ceiling fan while in use.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Which of the following is not an example of a bio-mass energy source?
MEDIUM
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
What are the disadvantages of fossil fuel? Explain in brief.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
What are weathering force? How are they useful in agriculture? Explain.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
State the energy changes in the case of an electric iron while in use.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
What is meant by renewable and non-renewable sources of energy? Give one example of each
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation

Correct the following sentence by changing the underlined word.

Ores are the building blocks of all rocks.

EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation

Correct the following sentence by changing the underlined word.

Coal and petroleum are recyclable resources.

EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Where does the wax come from?
MEDIUM
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Calcite is a metallic mineral.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation

There is an unlimited supply of oil under the earth.  

MEDIUM
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
In what way can we utilise energy from wind, water and sunlight to prevent the depletion of natural resources? How do you think this will help us to reduce the level of pollution in the environment? 
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation

Distinguish between renewable and non-renewable resources.

MEDIUM
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Minerals from which metals are obtained are called fuels.
HARD
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Describe the various uses of minerals.
EASY
Science>Chemistry>Soil - Our Life>Introduction to soil and its formation
Minerals are chemical substances that are man-made.