Advertisements
Advertisements
Write a short note on pressure cooker.
Concept: Use of Efficient and Eco-friendly Technology
Suggest control measures of noise pollution
Concept: Use of Efficient and Eco-friendly Technology
Population explosion is the root cause for depletion of natural resources. Explain.
Concept: Sustainable Use of Resources
What is the need to use eco-friendly technology?
Concept: Use of Efficient and Eco-friendly Technology
Fill in the blank:
______________ is a greenish coloured poisonous gas.
Concept: Use of Efficient and Eco-friendly Technology
Choose the correct alternative and rewrite the following:
Twenty dry raisins were soaked in 50 ml of water and kept for one hour at 500 C. Which out of the following is the correct observation?
Concept: Use of Efficient and Eco-friendly Technology
Concept: Use of Efficient and Eco-friendly Technology
Give one example of Reuse.
Concept: Use of Efficient and Eco-friendly Technology
Write the advantages of recycling.
Concept: Use of Efficient and Eco-friendly Technology
State whether the following statement is true or false:
E-waste cannot be recycled.
Concept: Enforcement of Acts, Laws and Policies
State the functions of the Maharashtra Pollution Control Board.
Concept: Enforcement of Acts, Laws and Policies
State the powders of Maharashtra Pollution Control Board (MPCB) to control the Air Pollution.
Concept: Enforcement of Acts, Laws and Policies
Answer the following question:
State two functions of MPCB for the prevention of water pollution.
Concept: Enforcement of Acts, Laws and Policies
Answer the following question:
How can we save electrical energy in day to day life?
Concept: Sustainable Use of Resources
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
Concept: Ethanoic Acid
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
Concept: Ethanoic Acid
Give other two names of ethanol.
Concept: Ethanol
Give two properties of ethanol.
Concept: Ethanol
Explain the action of phosphorous trichloride with ethanol. Write the balanced chemical equation of the above reaction.
Concept: Ethanol
............ is a functional group of the alcohol.
Concept: Ethanol
