CBSE · Class 7 · Science

Exploring Substances: Acidic, Basic, and Neutral

Chapter 2CuriosityNCERT · Classes I–VIII · current textbook editions

1 lab · 1 story for this chapter.

Topics

Indicators
- Acidic, basic and neutral substances
- Litmus colour changes
- Red-rose and turmeric indicators
Neutralisation
- Mixing an acid and a base
- Interpreting an indicator change
- Neutralisation in everyday contexts

Use indicator observations to classify a sample without tasting unknown substances.

Built for this chapter · 1 lab

Read it as a story · 1 story

Questions for Class 7 Science, with worked answers, on screen or as a printed paper.

CBSE · Class 7 · Science

Chapter 2CuriosityNCERT · Classes I–VIII · current textbook editions

1 lab · 1 story for this chapter.

Indicators
- Acidic, basic and neutral substances
- Litmus colour changes
- Red-rose and turmeric indicators
Neutralisation
- Mixing an acid and a base
- Interpreting an indicator change
- Neutralisation in everyday contexts

Use indicator observations to classify a sample without tasting unknown substances.

Built for this chapter · 1 lab

Read it as a story · 1 story

Questions for Class 7 Science, with worked answers, on screen or as a printed paper.