हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Assertion: Hydrogen is an element. Reason: Hydrogen cannot be broken down into anything simpler.

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प्रश्न

Assertion: Hydrogen is an element.

Reason: Hydrogen cannot be broken down into anything simpler.

विकल्प

  • Both assertion and reason are true and reason is the correct explanation of assertion

  • Both assertion and reason are true, but reason is not the correct explanation of assertion.

  • Assertion is true but reason is 

  • Assertion is false but reason is true.

MCQ
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उत्तर

Both assertion and reason are true and reason is the correct explanation of assertion

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Effect of Heat on Solid, Liquid and Gases
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Matter Around Us - Evaluation [पृष्ठ ४०]

APPEARS IN

सामाचीर कलवी Science - Term 1 [English] Class 7 TN Board
अध्याय 3 Matter Around Us
Evaluation | Q IX. 2. | पृष्ठ ४०

संबंधित प्रश्न

Very Short Answer Type Question:
Does the size of the paper change after making an aeroplane by folding it or by cutting it?


Very Short Answer Type Question:
Can you change the shape of a eraser after erasing?


Very Short Answer Type Question:
What are slow and fast changes? Give examples.


Very Short Answer Type Question:
Classify the following into slow and fast changes:
Formation of day and night


Very Short Answer Type Question:
Classify the following into slow and fast changes:
Formation of curd from milk


Very Short Answer Type Question:
Classify the following into slow and fast changes:
Making curd from milk by adding lemon juice.


Very Short Answer Type Question:
Classify the following as slow or fast change:
Bearing of heart


Very Short Answer Type Question:
Classify the following as slow or fast change:
Melting of wax


Very Short Answer Type Question:
Classify the following as slow or fast change:
Cooking of food


Very Short Answer Type Question:
Classify the following as slow or fast change:
Curding of milk


Very Short Answer Type Question:
Classify the following as slow or fast change:
Formation of day and night


______ is the most abundant gas in the atmosphere.


State true of false. If false, give the correct statement.

Argon is mono atomic gas.


Higher Order Thinking Skills.

What changes take place in the movement and arrangement of particles during heating process?


Cold milk is heated and it becomes hot. Which type of change it is?


During heating or expansion, the ______.


How do hot air balloons float?


Which gas is produced when vinegar reacts with baking soda?


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