Meghana

Asked: November 22, 2020In: Class 8 Science

In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 7

Meghana

Asked: November 22, 2020In: Class 8 Science

Does pure water conduct electricity? If not, what can we do to make it conducting?

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

Poll

Meghana

Asked: November 22, 2020In: Class 8 Science

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Meghana

Asked: November 22, 2020In: Class 8 Science

When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 2

Meghana

Asked: November 22, 2020In: Class 8 Science

Fill in the blanks: The process of depositing a layer of any desired metal on another material by means of electricity is called ____________.

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1 Part: d

Meghana

In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.

Does pure water conduct electricity? If not, what can we do to make it conducting?

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that

When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

Fill in the blanks: The process of depositing a layer of any desired metal on another material by means of electricity is called ____________.

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