ScienceTeacher

Asked: October 21, 2020In: Class 10

Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?

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-90 Questions No- 4 Part-1

Yashi mukherjee

Asked: October 21, 2020In: Class 10

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms 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 Intext Questions Page No-90 Questions No-4 Part 2

Yashi mukherjee

Asked: October 21, 2020In: Class 10

In the Modern Periodic Table, which are the metals among the first ten elements?

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-90 Questions No-5

Yashi mukherjee

Asked: October 21, 2020In: Class 10

By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic? Ga Ge As Se Be

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-90 Questions No-6

Poll

Yashi mukherjee

Asked: October 21, 2020In: Class 10

Which of the following statements is not a correct statement about the trends when going from left to right across the periods of 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-91 Questions No-1

Yashi mukherjee

Asked: October 21, 2020In: Class 10

Element X forms a chloride with the formula XCl2, which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as

CERT 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-2

Daksh arya

Asked: October 19, 2020In: Class 10

What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?

NCERT Solution for Class Tenth Science Chapter 4 Carbon and its Compounds CBSE NCERT Book Session-2022-2023 Intext Questions Page No-11 Questions No-2

Daksh arya

Asked: October 19, 2020In: Class 10

Why is the conversion of ethanol to ethanoic acid an oxidation reaction?

NCERT Solution for Class Tenth Science Chapter 4 Carbon and its Compounds CBSE NCERT Book Session-2022-2023 Intext Questions Page No-14 Questions No-1

Daksh arya

Asked: October 19, 2020In: Class 10

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used?

NCERT Solution for Class Tenth Science Chapter 4 Carbon and its Compounds CBSE NCERT Book Session-2022-2023 Intext Questions Page No-14 Questions No-2

Daksh arya

Asked: October 19, 2020In: Class 10

What are oxidising agents?

NCERT Solution for Class Tenth Science Chapter 4 Carbon and its Compounds CBSE NCERT Book Session-2022-2023 Intext Questions Page No-17 Questions No-2

ScienceTeacher

Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common?

In the Modern Periodic Table, which are the metals among the first ten elements?

By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic? Ga Ge As Se Be

Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic Table.

Element X forms a chloride with the formula XCl2, which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as

What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?

Why is the conversion of ethanol to ethanoic acid an oxidation reaction?

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used?

What are oxidising agents?

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