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The mass of 11.2 litres of a certain gas at s.t.p. is 24 g. Find the gram molecular mass of the gas

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

A gas of mass 32 gms has a volume of 20 liters at S.T.P. Calculate the gram molecular weight of the gas.

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

How much Is Calcium oxide formed when 82g of calcium nitrate is heated? Also, find the volume of nitrogen dioxide evolved :

2Ca(NO3)2 → 2CaO+4NO2+O2

(Ca = 40 , N = 14,O = 16)

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

If 6 liters of hydrogen and 4 liters of chlorine are mixed and exploded and if water is added to the gases formed, find the volume of the residual gas.

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

Give one word or phrase for the following:

The ratio of the mass of a certain volume of gas to the mass of an equal volume of hydrogen under the same conditions of temperature and pressure.

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

Oxygen oxidizes ethyne to carbon dioxide and water as shown by the equation:

2C2H2 + 5O2 → 4CO2 + 2H2O

What is a volume of ethyne gas at STP required to produce 8.4 dm3 of carbon dioxide at STP? [H = 1, C = 12, O = 16]

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

A cylinder contains 68 g of ammonia gas at STP.

1) What is the volume occupied by this gas?

2) How many moles of ammonia are present in the cylinder?

3) How many molecules of ammonia are present in the cylinder?

[N = 14, H = 1]

[5] Mole Concept and Stoichiometry
Chapter: [5] Mole Concept and Stoichiometry
Concept: Molar Volume of a Gas at S.T.P
Appears in 1 question paper

Write a balanced chemical equation for the reaction of sodium hydroxide solution with iron (III) chloride solution

[3] Study of Acids, Bases and Salts
Chapter: [3] Study of Acids, Bases and Salts
Concept: Concept of Acids and Bases
Appears in 1 question paper

Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:

1) Weak acid?

2) Strong alkali?

[3] Study of Acids, Bases and Salts
Chapter: [3] Study of Acids, Bases and Salts
Concept: Concept of Acids and Bases
Appears in 1 question paper

How do atoms attain noble gas configuration?

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

Define a chemical bond.

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

Mention the basic tendency of an atom which makes it to combine with other atoms.

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

Elements A, B and C have atomic number 17, 19 and 10 respectively.
(a) State which one is: (i) a non-metal (ii) a metal, (iii) chemically inert?
(b) write down the formula of the compound formed by two of the above elements.

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

Five atoms are labelled from A to E.

Atoms Mass No. Atomic No.
A 40 20
B 19 9
C 7 3
D 16 8
E 14 7

(a) Which one of these atoms:
(i) contains 7 protons,
(ii) has an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

This question refers to the elements of the periodic table with atomic number from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.

3 4 5 6 7 8 9 10
A B C D E F G H
11 12 13 14 15 16 17 18
I J K L M N O P

Which of these:
(a) have most electronegative element.
(b) is a halogen?
(c) is an alkali metal?
(d) is an element with valency 4?
(e) have least ionization energy?
(f) have least atomic size in period 3.

[1] Periodic Properties and Variations of Properties:- Physical and Chemical
Chapter: [1] Periodic Properties and Variations of Properties:- Physical and Chemical
Concept: Periodic Properties and Variations of Properties:- Physical and Chemical

The electronic configuration of an element T IS 2, 8, 8, 1.

What is the group number of T?

[1] Periodic Properties and Variations of Properties:- Physical and Chemical
Chapter: [1] Periodic Properties and Variations of Properties:- Physical and Chemical
Concept: Periodic Properties and Variations of Properties:- Physical and Chemical

The electronic configuration of an element T IS 2, 8, 8, 1.

What is the period number of T?

[1] Periodic Properties and Variations of Properties:- Physical and Chemical
Chapter: [1] Periodic Properties and Variations of Properties:- Physical and Chemical
Concept: Periodic Properties and Variations of Properties:- Physical and Chemical

Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

.Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one:
(a) forms an anion,
(b) forms a cation,
(c) State type of bond between Y and Z and give its molecular formula.

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding

Give electron dot diagram of the following:
Magnesium chloride

[2] Chemical Bonding
Chapter: [2] Chemical Bonding
Concept: Concept of Chemical Bonding
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Question Bank Solutions for ICSE Class 10 CISCE Chemistry. You can further filter Question Bank Solutions by subjects and chapters. Solutions for most of the questions for CISCE can be found here on shaalaa.com. You can use these solutions to prepare for your studies and ace in exams. Solving questions is a great way to practice and with shaalaa.com, you can answer a question and then also check your answer with the solutions provided.
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