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Use Mendeleeve's Periodic Table to predict the formulae for th
Science
Science

Class 10

NCERT

Publisher:
NCERT
Subject:
Science
1

Chapter 1: Chemical Reactions and Equations

34 questions

Q1
Why should curd and sour substances not be kept in brass and copper vessels?
Q2
Use Mendeleeve's Periodic Table to predict the formulae for the oxides of the following elements:
Q3
Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
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2

Chapter 2: Acid,Bases and Salts

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3

Chapter 3: Metals and Non-metals

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4

Chapter 4: Carbon and its Compound

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5

Chapter 5: Periodic Classification of Elements

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6

Chapter 6: Life Processes

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7

Chapter 7: Control and Coordination

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8

Chapter 8: How do Organism Reproduce?

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9

Chapter 9: Heredity and Evolution

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10

Chapter 10: Light -Reflection and Refraction

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11

Chapter 11: The Human Eye and Colourful World

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12

Chapter 12: Electricity

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13

Chapter 13: Magnetic Effects of Electric Current

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14

Chapter 14: Sources of Energy

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15

Chapter 15: Our Environment

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16

Chapter 16: Sustainable Management of Natural Resources

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Use Mendeleeve's Periodic Table to predict the formulae for the oxides of the following elements:

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Oxygen is a member of group VI. So, its valency is 2. Similarly, the valencies of all the elements listed can be predicted from their respective groups.
(i) Potassium (K) is a member of group I having valency 1 . So, It forms oxide .
(ii) Carbon (C) is a member of group IV having valency 4 . So, It forms oxide .
(iii) Aluminium (AI) belongs to groups III having valency 3. So, It forms oxide
(iv) Silicon (Si) is present in group IV having valency 4. So, It forms oxide .
(v) Barium (Ba) belongs to group II having valency 2. So, It forms oxide BaO.
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Use Mendeleeve's Periodic Table to predict the formulae for the oxides of the following elements:
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Question Text
Use Mendeleeve's Periodic Table to predict the formulae for the oxides of the following elements:
Updated OnAug 27, 2022
TopicPeriodic Classification of Elements
SubjectScience
ClassClass 10
Answer TypeText solution:1 Video solution: 6
Upvotes683
Avg. Video Duration4 min