Q46.The haemoglobin and the gold sol are examples of (1) positively charged sols, (2) negatively and positively charged sols, respectively. (3) negatively charged sols. (4) positively and negatively charged sols, respectively.
What This Question Tests
This question is a factual recall from NCERT regarding the charge on specific colloidal solutions, namely haemoglobin and gold sol.
Concepts Tested
📚 NCERT Sections This Tests
1.1 — Define The Term Solution. How Many Types Of Solutions Are Formed? Write Briefly
Chemistry Class 11 · Chapter 1
1.1 Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
4.13 — How Is The Variability In Oxidation States Of Transition Metals Different From
Chemistry Class 11 · Chapter 4
4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.
1.23 — Suggest The Most Important Type Of Intermolecular Attractive Interaction In
Chemistry Class 11 · Chapter 1
1.23 Suggest the most important type of intermolecular attractive interaction in the following pairs. (i) n-hexane and n-octane (ii) I2 and CCl4 (iii) NaClO4 and water (iv) methanol and acetone (v) acetonitrile (CH3CN) and acetone (C3H6O). 1.24 Based on solute-solvent interactions, arrange the following in order of increasing solubility in n-octane and explain. Cyclohexane, KCl, CH3OH, CH3CN.
📋 Question Details
- Chapter
- Surface Chemistry
- Topic
- Classification of Colloids based on charge
- Year
- 2019
- Shift
- 10 Jan Shift 2
- Q Number
- Q46
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 5: Surface Chemistry
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