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 शुद्ध पदार्थ है ?
[A] दूध
[B] रक्त
[C] जल
[D] मिश्रधातु
Show Answer
Correct Answer :
[C] जल
Que 23: 0°C पर जल की भौतिक अवस्था क्या होगी ?
[A] विलयन
[B] तरल
[C] गैस
[D] ठोस
Show Answer
Correct Answer :
[D] ठोस
Que 24: कैल्सियम ऑक्साइड में कैल्लियन एवं ऑबसीजन के भार का अनुपात होता है –
[A] 2.5
[B] 5 : 2
[C] 4 : 3
[D] 3 : 4
Show Answer
Correct Answer :
[B] 5 : 2
Que 25: बेकिंग पाउडर ( खाने वाला सोडा ) का रासायनिक सूत्र है
[A] Na2CO3
[B] NaHCO3
[C] NaCl
[D] Na2SO3
Show Answer
Correct Answer :
[B] NaHCO3
Que 26: गैस का द्रव में परिवर्तन कहलाता है।
[A] गैसीकरणउर्वपातन
[B] उर्वपातन
[C] संघनन
[D] जमना
Show Answer
Correct Answer :
[C] संघनन
Que 27: निम्न में कौन मिश्रण है ?
[A] चाँदी
[B] हाइड्रोजन
[C] जल
[D] वायु
Show Answer
Correct Answer :
[D] वायु
Que 28: अमोनियम सल्फेट का सूत्र है –
[A] (NH₄) 2 SO4
[B] NH4 (SO4)2
[C] (NH3) 2 SO4
[D] NH, SO4
Show Answer
Correct Answer :
[A] (NH₄) 2 SO4
Que 29: कैल्सियम कार्बोनेट का सूत्र है –
[A] CaCO2
[B] Na2CO3
[C] CaO
[D] CaCO3
Show Answer
Correct Answer :
[D] CaCO3
Que 30: निम्न में कौन विलयन है ?
[A] वायु
[B] सोडा जल
[C] दूध
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[B] सोडा जल
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