Chemistry
Grade-10
Easy
Question
Choose the metal which is not hard and can be cut with the knife easily.
- Zinc
- Iron
- Sodium
- Magnesium
Hint:
which is highly reactive with water.
The correct answer is: Sodium
sodium is the metal which is not hard and can be cut by knife.
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The most ductile metal is:
The most ductile metal is:
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Assertion: The property of beating a metal into sheets is called ductility.
Reason: Silver and gold are the most malleable metals present.
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Reason: Silver and gold are the most malleable metals present.
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Polyvinyl chloride has a property that makes it suitable for coating electric wires at home. Choose the property from the following?
Polyvinyl chloride has a property that makes it suitable for coating electric wires at home. Choose the property from the following?
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The non-metal which is hard in nature is-
The non-metal which is hard in nature is-
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Select the physical properties of an element.
Select the physical properties of an element.
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The total number of elements discovered till date is-
The total number of elements discovered till date is-
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Choose the correct option denoting a non-metal.
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The property of metals by means of which they can conduct electricity and heat easily is termed as-
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Biology
Which of the following are examples of structural adaptation?
Which of the following are examples of structural adaptation?
BiologyGrade-10
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When living organisms make certain changes in their body parts, it is called _______________.
When living organisms make certain changes in their body parts, it is called _______________.
BiologyGrade-10
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Adaptation can be ________________.
Adaptation can be ________________.
BiologyGrade-10
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When living organisms make changes according to their environment, it is called ________________.
When living organisms make changes according to their environment, it is called ________________.
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Law of conservation of momentum states that the sum of momenta of the two objects before collision is equal to the sum of momenta after the collision provided there is no external unbalanced force acting on them
Is the statement true or false?
Law of conservation of momentum states that the sum of momenta of the two objects before collision is equal to the sum of momenta after the collision provided there is no external unbalanced force acting on them
Is the statement true or false?
PhysicsGrade-10
