For the following questions answer them individually
The role of depressants in 'Froth Floation method' is to
The most common oxidation state of Lanthanoid elements is $$+3$$. Which of the following is likely to deviate easily from $$+3$$ oxidation state?
Toluene can be easily converted into benzaldehyde by which of the following reagents?
The final product 'A' in the following reaction sequence
The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is
Which statement is NOT correct for p-toluenesulphonyl chloride?

Identify 'Z' among the following
Match List I with List II.
| List-I (Enzyme) | List-II (Conversion of) |
|---|---|
| A. Invertase | I. Starch into maltose |
| B. Zymase | II. Maltose into glucose |
| C. Diastase | III. Glucose into ethanol |
| D. Maltase | IV. Cane sugar into glucose |
Choose the most appropriate answer from the options given below
Which of the following is NOT an example of synthetic detergent?
Which one of the following is a water soluble vitamin, that is not excreted easily?