MCQ
Which is an amphoteric oxide
- ✓$ZnO$
- B$CaO$
- C$BaO$
- D$SrO$
$ZnO + {H_2}S{O_4} \to ZnS{O_4} + {H_2}O$
$ZnO + 2NaOH \to N{a_2}Zn{O_2} + {H_2}O$
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Assertion $(A) :$ Sucrose is a disaccharide and a non-reducing sugar.
Reason $(R) :$ Sucrose involves glycosidic linkage between $C_{1}$ of $\beta$-glucose and $C_{2}$ of $\alpha$-fructose.
Choose the most appropriate answer from the options given below :

| Column I | Column II |
| (a) Hypertonic | (i) NaCl. |
| (b) Hypotonic | (ii) Solution having higher osmotic pressure than other solution. |
| (c) Isotonic | (iii) Solution having lower osmotic pressure than other solution. |
| (d) Electrolyte | (iv) Solutions having same osmotic pressure. |