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Talash
Talash
Asked: December 5, 2020In: Class 10 Science

Give reasons: Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-12 Part: d

2020-2021cbsechapter 1chapter 3 metals and non metalsclass 10class 10 science
  • 2 2 Answers
  • 410 Views
  • 18 Votes
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Talash
Talash
Asked: December 5, 2020In: Class 10 Science

Give reasons: Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-12 Part: c

2020-2021cbsechapter 1chapter 3 metals and non metalsclass 10class 10 science
  • 2 2 Answers
  • 221 Views
  • 16 Votes
  • 1
Answer
Talash
Talash
Asked: December 5, 2020In: Class 10 Science

Give reasons: Platinum, gold and silver are used to make jewellery.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-12 Part: a

2020-2021cbsechapter 1chapter 3 metals and non metalsclass 10class 10 science
  • 2 2 Answers
  • 131 Views
  • 17 Votes
  • 1
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Yashi mukherjee
Yashi mukherjee
Asked: October 21, 2020In: Class 10

Which element has

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-91 Questions No-3 (a) two shells, both of which are completely filled with electrons? (b) the ...

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 3 3 Answers
  • 120 Views
  • 5 Votes
  • 2
Answer
Yashi mukherjee
Yashi mukherjee
Asked: October 21, 2020In: Class 10

What property do all elements in the same column of the Periodic Table as boron have in common ?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-91 Questions No-4 Part 1

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 3 3 Answers
  • 194 Views
  • 6 Votes
  • 2
Answer
Yashi mukherjee
Yashi mukherjee
Asked: October 21, 2020In: Class 10

What property do all elements in the same column of the Periodic Table as fluorine have in common?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-91 Questions No- 4 Part-2

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 3 3 Answers
  • 339 Views
  • 4 Votes
  • 2
Answer
Yashi mukherjee
Yashi mukherjee
Asked: October 21, 2020In: Class 10

An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-91 Questions No-5

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 3 3 Answers
  • 154 Views
  • 5 Votes
  • 2
Answer
Deepak joshi
Deepak joshi
Asked: October 21, 2020In: Class 10

How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-8

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 3 3 Answers
  • 198 Views
  • 5 Votes
  • 2
Answer
Deepak joshi
Deepak joshi
Asked: October 21, 2020In: Class 10

In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-9

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 3 3 Answers
  • 214 Views
  • 6 Votes
  • 2
Answer
Chaitan Singh
Chaitan Singh
Asked: October 21, 2020In: Class 10

What were the limitations of Döbereiner’s classification?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-81 Questions No-2

2020-2021cbsechapter 5class10ncertperiodic classificationscience
  • 5 5 Answers
  • 353 Views
  • 27 Votes
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