✓ Board-verified↻ asked 3×
Science · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q2
The emission of brown fumes in the given experimental set-up is due to
Official answer
From CBSE’s own marking scheme for this paper.
(A)
thermal decomposition of lead nitrate which produces brown fumes of nitrogen dioxide.
More from Chemical Reactions and Equations
- Copper powder is taken in a china dish and heated over a burner. Name the product formed and state its…2024 · asked 3×
- Why do we balance a chemical equation? Name and state the law that suggests the balancing of a chemical…2025 · asked 3×
- Which of the following is an example of a displacement reaction?2026 · asked 3×
- Define a double displacement reaction. Write the chemical equation of a double displacement reaction which is…2023 · asked 3×
- The balanced chemical equation showing reaction between quicklime and water is:2023 · asked 3×
- C 6 H 12 O 6(aq)+6 O 2( g) → 6 CO 2( g)+6 H 2 O (l). The above reaction is an example of -2026 · asked 3×
- Which one of the following reactions is different from the remaining three?2024 · asked 3×
- (i) While electrolysing water before passing the current some drops of an acid are added. Why? Name the gases…2023 · asked 3×
CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.