रासायनिक अभिक्रिया क्या है?

वह प्रक्रिया जिसमें एक या अधिक पदार्थ मिलकर नए पदार्थ बनाते हैं, रासायनिक अभिक्रिया कहलाती है।

Class 10th
13 Questions
30.00 Marks
Pass: 10.50

Questions

Showing all 13 questions
Q1 • DESCRIPTIVE • 2 marks
रासायनिक अभिक्रिया क्या है?
Answer वह प्रक्रिया जिसमें एक या अधिक पदार्थ मिलकर नए पदार्थ बनाते हैं, रासायनिक अभिक्रिया कहलाती है।
Q2 • MCQ • 1 marks
What is the capital of India?
A. Delhi
B. Mumbai
C. Kolkata
D. Chennai
E. Jaipur
F. Bangalore
Explanation Delhi is the national capital of India
Q3 • MCQ • 1 marks
Which planet is known as the Red Planet?
A. Venus
B. Mars
C. Jupiter
D. Saturn
E. Mercury
F. Neptune
Explanation Mars appears red due to iron oxide on its surface
Q4 • DESCRIPTIVE • 5 marks
Explain the water cycle in nature.
Answer The water cycle involves evaporation, condensation, precipitation, and collection of water.
Explanation The continuous movement of water on, above, and below Earth's surface
Q5 • MCQ • 2 marks
Who developed the theory of relativity?
A. Isaac Newton
B. Albert Einstein
C. Galileo Galilei
D. Stephen Hawking
E. Nikola Tesla
F. Marie Curie
Explanation Albert Einstein published his theory of relativity in 1905
Q6 • DESCRIPTIVE • 3 marks
What are the main features of democracy?
Answer 1. Rule of law 2. Free and fair elections 3. Protection of human rights 4. Separation of powers 5. Citizen participation
Explanation Democracy is a system of government by the whole population
Q7 • MCQ • 1 marks
What is the capital of India?
A. Delhi
B. Mumbai
C. Kolkata
D. Chennai
E. Jaipur
F. Bangalore
Explanation Delhi is the national capital of India
Q8 • MCQ • 1 marks
Which planet is known as the Red Planet?
A. Venus
B. Mars
C. Jupiter
D. Saturn
E. Mercury
F. Neptune
Explanation Mars appears red due to iron oxide on its surface
Q9 • DESCRIPTIVE • 5 marks
Explain the water cycle in nature.
Answer The water cycle involves evaporation, condensation, precipitation, and collection of water.
Explanation The continuous movement of water on, above, and below Earth's surface
Q10 • MCQ • 2 marks
Who developed the theory of relativity?
A. Isaac Newton
B. Albert Einstein
C. Galileo Galilei
D. Stephen Hawking
E. Nikola Tesla
F. Marie Curie
Explanation Albert Einstein published his theory of relativity in 1905
Q11 • DESCRIPTIVE • 3 marks
What are the main features of democracy?
Answer 1. Rule of law 2. Free and fair elections 3. Protection of human rights 4. Separation of powers 5. Citizen participation
Explanation Democracy is a system of government by the whole population
Q12 • DESCRIPTIVE • 2 marks
रासायनिक अभिक्रिया क्या है?
Answer वह प्रक्रिया जिसमें एक या अधिक पदार्थ मिलकर नए पदार्थ बनाते हैं, रासायनिक अभिक्रिया कहलाती है।
Explanation वह प्रक्रिया जिसमें एक या अधिक पदार्थ मिलकर नए पदार्थ बनाते हैं, रासायनिक अभिक्रिया कहलाती है।
Q13 • DESCRIPTIVE • 2 marks
अभिक्रियक (Reactants) किसे कहते हैं?
Answer जो पदार्थ रासायनिक अभिक्रिया में भाग लेते हैं।
Explanation जो पदार्थ रासायनिक अभिक्रिया में भाग लेते हैं।

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