- 1(current)
Q. No.Match list-I with list-II:
| List-I (Commercial name) |
List-II (Chemical name) |
||
| (a) | Calgon | (i) | Sodium aluminium silicate (hydrated) |
| (b) | Permutit | (ii) | Sodium carbonate |
| (c) | Soap | (iii) | Sodium hexameta-phosphate |
| (d) | Washing soda | (iv) | Sodium stearate |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iv) | (ii) | (iii) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (iv) | (iii) | (i) | (ii) |
Subtopic: Â Hard & Soft Water |
 84%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Match the following and identify the correct option
| (a) CO(g)+H2(g) | (i) Mg(HCO3)2+Ca(HCO3)2 |
| (b) Temporary hardness of water | (ii) An electron deficient hydride |
| (c) B2H6 | (iii) Synthesis gas |
| (d) H2O2 | (iv) Non-planar structure |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (iii) | (iv) | (ii) | (i) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (iii) | (i) | (ii) | (iv) |
Subtopic: Â Hard & Soft Water |Â H2O2 (Hydrogen Peroxide) |
 85%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
The method used to remove the temporary hardness of water is-
1. Synthetic resins method
2. Calgon's method
3. Clark's method
4. Ion-exchange method
Subtopic: Â Hard & Soft Water |
 79%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
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NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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