NCERT Solutions for Class 10 Science - Test 1

Science Question Answer Class 10, NCERT Class 10 Science

UP Board Class 10 Science Test - 1

Class 10 Science Chapter 1

Prepare for your Class 10 Science exam with GKschools' comprehensive NCERT Solutions. Our step-by-step solutions cover all chapters in detail, including Chapter 1, to help you understand key concepts and excel in your exams. The PDF format is easy to download and provides a convenient way to study, making it an essential resource for Class 10 Science students. Whether you're revising for school tests or preparing for final exams, these solutions are tailored to give you the best chance for success. Download your free NCERT solutions now and boost your exam preparation for Class 10 Science.

Que 51: नाइट्रोजन डाइऑक्साइड (NO2) के धुंए का रंग होता है?

[A] भूरा

[B] लाल

[C] हरा

[D] पीला

Show Answer

Correct Answer : [A] भूरा

Que 52: Fe₂O₃+ 2Al → Al₂O₃+ 2Fe दी गयी अभिक्रिया किस प्रकार की है?

[A] संयोजन अभिक्रिया

[B] द्विविस्थापन अभिक्रिया

[C] वियोजन अभिक्रिया

[D] विस्थापन अभिक्रिया

Show Answer

Correct Answer : [D] विस्थापन अभिक्रिया

Que 53: निम्नांकित में कौन एक अम्ल है?

[A] CaO

[B] KOH

[C] HCl

[D] Na2O

Show Answer

Correct Answer : [C] HCl

Que 54: शाक-सब्जियों को विघटित होकर कम्पोस्ट बनना किस अभिक्रिया का उदाहरण है ?

[A] ऊष्माशोषी

[B] ऊष्माक्षेपी

[C] उभयगामी

[D] प्रतिस्थापन

Show Answer

Correct Answer : [B] ऊष्माक्षेपी

Que 55: पोटाश एलम (फिटकरी) का सही रासायनिक सूत्र होता है?

[A] Al2(SO4)3 . 24H2O

[B] Al2(SO4)3 . 5H2O

[C] K2SO4 . Al2(SO4)3 . 24H2O

[D] K2SO4 . Al2(SO4)3 . 7H2O

Show Answer

Correct Answer : [C] K2SO4 . Al2(SO4)3 . 24H2O

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🎓 स्टूडेंट्स, आपकी राय हमारे लिए महत्वपूर्ण है!

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🎓 स्टूडेंट्स, आपकी राय हमारे लिए महत्वपूर्ण है!

पिछले वर्ष के हल प्रश्न पत्र / अभ्यास सेट

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