10

Question 1

The positive result in Zinc phosohide determination is?

Answer 1

If the filter paper soked in AgNO₃ turns balck
(Silver Nitrate)

Question 2

Formaldehyde is determined by?

Answer 2

• Steam distillation
• Schiffs reagent (Red or Red/violet colour)
• Fellings test (Red pertisipate)