अध्याय 6 : दहन और ज्वाला
Quiz
•
Science
•
8th Grade
•
Medium
Manish Kumar
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ज्वाला में कितने क्षेत्र होते हैं?
A 4
B 3
C 5
D 2
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
निम्न में कौन ज्वलनशील पदार्थ है?
A लकड़ी
B कोयला
C पेट्रोल
D पत्थर
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
निम्न में कौन विस्फोट का उदाहरण है?
A लकड़ी का जलना
B तेल
C पटाखा का दहन
D इनमें कोई नहीं
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
निम्न में किस ईंधन का ऊष्मीय मान सबसे अधिक होता है ?
A लकड़ी
B किरोसिन
C LPG
D हाइड्रोजन
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
मोमबत्ती की ज्वाला का मध्य भाग कैसा दिखाई पड़ता है ?
A लाल
B पीला
C हरा
D काला
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ईंधन के उष्मीय मान का मात्रक कौन है?
A - kg
B. - KJ/kg
C. - KJ
D. - K/J
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
वह ताप जिसपर कोई पदार्थ जलना शुरू करता है , क्या कहलाता है ?
A ज्वलनताप
B ज्वाला
C ज्वलनशील
D दहनशील पदार्थ
A
B
C
D
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