Chemistry · Acids, Bases and Salts
निम्नलिखित में से कौन सा समूह अम्लों और क्षारों के लिए प्राकृतिक सूचकों को दर्शाता है?
- 1हल्दी, फिनोलफ्थलीन
- 2गुड़हल (चाइना रोज़), मिथाइल ऑरेंज
- 3लिटमस, हल्दी✓
- 4फिनोलफ्थलीन, लिटमस
सही उत्तर देखें
लिटमस, हल्दी
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