Question

व्हिच ऑफ द एक्टिव ऑफ मैनेजमेंट कवर द ऑब्जेक्ट ऑफ सप्लाई ऑफ क्वालिटी गुड एंड रिस्पांसिबल प्राइस​

Answer 1

Explanation:

Indicators are those substances which tell us whether a substance is acidic or basic by change in colour. For e.g., litmus solution.

• Olfactory indicators: Those substances whose odour changes in acidic or basic media are called lfactory indicators. For e.g., clove, vanilla, onion.