Substance which absorbs CO2 and violently reacts with H2O with sound is

The s-Block Elements

1 Posts

2 Users

0 Likes

222 Views

22/12/2021 1:49 pm

Topic starter

Palak23

(@palak23)

Illustrious Member

2561 Posts
2526 35 0

Substance which absorbs CO₂ and violently reacts with H₂O with sound is

(a) H₂SO₄

(b) CaCO₃

(d) CaO

Add a comment

Topic Tags

1 Answer

22/12/2021 1:54 pm

Reyana09

(@reyana09)

Famed Member

2505 Posts
0 2505 0

Correct answer: (d) CaO

Explanation:

CaO + CO₂ → CaCO₃

CaO + H₂O → Ca(OH)₂

hissing sound and ΔH = -ve

Add a comment

Forum Icons: Forum contains no unread posts Forum contains unread posts

Topic Icons: Not Replied Replied Active Hot Sticky Unapproved Solved Private Closed

Forum