NCERT Solutions for Class 9 Science - Test 3
UP Board Class 9 Science Test - 3
Class 9 Science Chapter 3 - Solutions for Better Exam Preparation
Prepare for Class 9 Science Test 3 with GKschools' NCERT solutions for Chapter 3. Our detailed solutions and easy-to-understand explanations help students grasp important science concepts, improving exam preparation and boosting scores. The NCERT solutions are designed to assist students in mastering key topics, making it easier to revise and perform well in the upcoming exams. Download the PDF to get access to the complete study material and elevate your performance in the Class 9 Science exam.
Que 21: हाइड्रोजन सल्फाइड का सूत्र है
[A] HS
[B] HS2
[C] H2S
[D] H2S4
Show Answer
Correct Answer :
[C] H2S
Que 22: निम्न में कौन विषमांगी मिश्रण का जवाहरण है ?
[A] चीनी + जल
[B] साधारण नमक + जल
[C] फिटकरी + जल
[D] मिट्टी तेल + जल
Show Answer
Correct Answer :
[D] मिट्टी तेल + जल
Que 23: समांगी मिश्रण को कहा जाता है ?
[A] निलंबन
[B] विलयन
[C] कोलॉइडी
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[B] विलयन
Que 24: इनमें से कौन उपधातु है ?
[A] सोना
[B] चाँदी
[C] सोडियम
[D] जमनियम
Show Answer
Correct Answer :
[D] जमनियम
Que 25: फेरिक ऑक्साइड का सूत्र है –
[A] FeO2
[B] FeO
[C] Fe 04
[D] Fe2O3
Show Answer
Correct Answer :
[D] Fe2O3
Que 26: निम्न में कौन – सा तत्व बहुपरमाणुक है ?
[A] सल्फर
[B] फॉस्फोरस
[C] क्लोरीन
[D] ऑक्सीजन
Show Answer
Correct Answer :
[A] सल्फर
Que 27: मैग्नीशियम क्लोराइड का सूत्र है –
[A] MgCI
[B] Mg C1
[C] MgCl2
[D] Mg2Cl2
Show Answer
Correct Answer :
[C] MgCl2
Que 28: साइजाजन क्लोराइड का सूत्र है –
[A] HCl
[B] HCl2
[C] H2Cl
[D] H2Cl3
Show Answer
Correct Answer :
[A] HCl
Que 29: गैस का द्रव में परिवर्तन कहलाता है।
[A] गैसीकरणउर्वपातन
[B] उर्वपातन
[C] संघनन
[D] जमना
Show Answer
Correct Answer :
[C] संघनन
Que 30: निम्न में कौन विषमांगी मिश्रण है ?
[A] सिरका
[B] सोडा जल
[C] बर्फ
[D] वायु
Show Answer
Correct Answer :
[D] वायु
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