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Which of the following materials is not lustrous?

• Gold

• Silver

• Wood

• Diamond

Which type of the following materials is used for making the front glass (wind screen) of a car?

• Transparent

• Translucent

• Opaque

• None of the above

An oiled paper act as a _______ material.

• Transparent

• Translucent

• Hard

• Opaque

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NGSS.MS-PS4-2

Take two samples, one is oil and other is water. Mix the two. You observe that

• They are soluble.

• Oil floats on water

• Water floats on oil

• None of the above

Which of the following does not float on water?

• Feather

• Paper

• Coconut oil

• Stone