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 41: 25°C तापक्रम बराबर है ।
[A] 10237K
[B] 373K
[C] 298K
[D] 163K
Show Answer
Correct Answer :
[C] 298K
Que 42: सल्फर का आण्विक सूत्र है –
[A] s
[B] S2
[C] S3
[D] Sg
Show Answer
Correct Answer :
[D] Sg
Que 43: 373°C तापक्रम बराबर है –
[A] 10546K
[B] 646 K
[C] 273 K
[D] 100K
Show Answer
Correct Answer :
[B] 646 K
Que 44: कैल्सियम कार्बोनेट का सूत्र है –
[A] CaCO2
[B] Na2CO3
[C] CaO
[D] CaCO3
Show Answer
Correct Answer :
[D] CaCO3
Que 45: गैसों में विसरण का एक उदाहरण है
[A] इत्र के सुगंध का हवा में फैलना
[B] स्याही का पूरे पानी में फैलना
[C] कॉपर सल्फेट के क्रिस्टल को पानी में डालना
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[A] इत्र के सुगंध का हवा में फैलना
Que 46: बेकिंग पाउडर ( खाने वाला सोडा ) का रासायनिक सूत्र है
[A] Na2CO3
[B] NaHCO3
[C] NaCl
[D] Na2SO3
Show Answer
Correct Answer :
[B] NaHCO3
Que 47: समांगी मिश्रण को कहा जाता है ?
[A] निलंबन
[B] विलयन
[C] कोलॉइडी
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[B] विलयन
Que 48: निम्न में कौन – सा तत्व द्विपरमाणुक नहीं है ?
[A] हाइड्रोजन
[B] क्लोरीन
[C] नाइट्रोजन
[D] हीलियम
Show Answer
Correct Answer :
[D] हीलियम
Que 49: निम्न में किसका घनत्व सबसे अधिक होता है?
[A] ठोस
[B] द्रव
[C] गैस
[D] प्लाज्मा
Show Answer
Correct Answer :
[A] ठोस
Que 50: शुद्ध जल का क्वथनांक होता है –
[A] 173K
[B] 273K
[C] 373 K
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[C] 373 K
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