Tiwari Academy Discussion

Asked: November 23, 2020In: Class 7 Science

Name the source from which litmus solution is obtained. What is the use of this solution?

NCERT Solutions for Class 7 Science Chapter 5 Important NCERT Questions 7th Chapter 5 Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 3

Harshita Patel

Asked: November 23, 2020In: Class 7 Science

Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?

NCERT Solutions for Class 7 Science Chapter 5 Important NCERT Questions 7th Chapter 5 Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 2

Harshita Patel

Asked: November 23, 2020In: Class 7 Science

State differences between acids and bases.

NCERT Solutions for Class 7 Science Chapter 5 Important NCERT Questions 7th Chapter 5 Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1

Poll

Ridhi

Asked: November 23, 2020In: Class 7 Science

Stainless steel pans are usually provided with copper bottoms. The reason for this could be that

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 11

Ridhi

Asked: November 23, 2020In: Class 7 Science

A wooden spoon is dipped in a cup of ice cream. Its other end

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

Poll

Ridhi

Asked: November 23, 2020In: Class 7 Science

An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 9

Poll

Ridhi

Asked: November 23, 2020In: Class 7

One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8

Ridhi

Asked: November 23, 2020In: Class 7 Science

In places of hot climate it is advised that the outer walls of houses be painted white. Explain.

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 7

Ridhi

Asked: November 23, 2020In: Class 7 Science

Discuss why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing.

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Ridhi

Asked: November 23, 2020In: Class 7 Science

Fill in the blanks: Clothes of ______________ colours absorb heat better than clothes of light colours.

NCERT Solutions for Class 7 Science Chapter 4 Important NCERT Questions 7th Chapter 4 Heat NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No:4 Part: f

Name the source from which litmus solution is obtained. What is the use of this solution?

Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?

State differences between acids and bases.

Stainless steel pans are usually provided with copper bottoms. The reason for this could be that

A wooden spoon is dipped in a cup of ice cream. Its other end

An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will

One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be

In places of hot climate it is advised that the outer walls of houses be painted white. Explain.

Discuss why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing.

Fill in the blanks: Clothes of ______________ colours absorb heat better than clothes of light colours.

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