HARD
10th Assam Board
IMPORTANT
Earn 100

Draw the sketch of classification of hydrocarbons.

Important Questions on Solved Science Paper-2

MEDIUM
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Carbon and its Compounds>Exercise>Q 38
Write the name of unsaturated hydrocarbons which contains: 
(a) one or more double bonds. 
(b) one or more triple bonds. 
 
MEDIUM
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Carbon and its Compounds>Exercise>Q 54
Explain why the bond in a nitrogen molecule is called a triple bond.
MEDIUM
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Solved Science Paper-2>Exercise-Choice>Q 60
Explain the process of respiration in fishes.
EASY
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Solved Science Paper-2>Exercise>Q 61
What are the ways in which glucose is oxidised in organisms?
HARD
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Solved Science Paper-2>Exercise-Choice>Q 62
An object of size 70 mm is place at 27 cm in front of a concave mirror of focal length 18 cm.  At what distance from the mirror should a screen be placed so that a sharp focussed image can be obtained? Find the size and nature of the image.
EASY
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Solved Science Paper-2>Exercise>Q 63
Write the rules about the formation of image by lens.
MEDIUM
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Solved Science Paper-2>Exercise-Choice>Q 64
Why should fossil fuels like coal and petroleum be used judiciously?
EASY
10th Assam Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 18 - Solved Science Paper-2>Exercise>Q 65
What are the main uses of coal and petroleum products?