EASY
11th Odisha Board
IMPORTANT
Earn 100

What is the difference between normal density and relative vapour density?

Important Questions on Basic Concepts Atoms & Molecules

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 4
Is there any difference between the molecular weight and mass of one molecule of a gas ? Explain.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 5
Explain why some gases show abnormal density.
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 1
Describe Victor Meyer's method for determining the molecular mass of a substance. 0.1 gm of a volatile substance on vaporisation in Victor Meyer's experiment displaced 123 ml moist air at 15°C and 740 mm pressure. Calculate the molecular mass of the substance. (Aqueous tension at 15°C = 12.7 mm)
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 2
Define vapour density. How will you determine the vapour density of a volatile substance ?
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 3
Derive the relationship between molecular mass and vapour density of gas from Avogadro's hypothesis. 0.796 g of a metal oxide was heated in a current of dry hydrogen when. 0.18 g of water was formed. Calculate the equivalent mass of the metal.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 1
Which method is used to determine the equivalent mass of zinc?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 2
What mass of an element combines with 8 parts by mass of oxygen?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 3
How many gram-equivalents will be 40 g of Ca.?