| ⇦ | 
| ⇨ |
Alum in dyeing of clothes is used as
Options
(a) bleaching agent
(b) fire proof material
(c) mordant of colour
(d) diluent
Correct Answer:
mordant of colour
Explanation:
Alums are the double salts of the formula X₂SO₄. Y₂(SO₄)₃. 24H₂O where X represents a monovalent cation such as Na⁺, K⁺ and NH₄⁺ while Y is a trivalent cation such as Al³⁺ , Cr³⁺ and Fe³⁺. these alums are used as mordant by dyers of clothes for fixing the dye.
Related Questions: - Phenylethyl ether when boiled with concentrated HBr gives
- Chromium has the most stable oxidation state
- Which one is not a constituent of nucleic acid
- Equal volumes of 0.1 M AgNO₃ and 0.2 M NaCl are mixed
- Decreasing order of stability of O₂ , O₂⁻ , O₂⁺ and O₂²⁻ is
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Phenylethyl ether when boiled with concentrated HBr gives
- Chromium has the most stable oxidation state
- Which one is not a constituent of nucleic acid
- Equal volumes of 0.1 M AgNO₃ and 0.2 M NaCl are mixed
- Decreasing order of stability of O₂ , O₂⁻ , O₂⁺ and O₂²⁻ is
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply