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Earn 100

Salt can be obtained from seawater by_____.

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Important Questions on Nature of Matter

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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 12
A sample contains two substances and has uniform properties. The sample is:
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 13
Which of the following is considered to be pure substance?
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 14
Physical properties of a mixture:
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 16
White gold is used in jewellery and contains two elements gold and palladium. A jeweller has two different samples that are both identical in appearance and has a uniform composition throughout. What can be said about the samples?
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 17
Which of the following is an example of a heterogeneous substance?
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 18
Which of the following is an example of a homogeneous substance?
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 19
Filtration can be used to separate:
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General Science for Competitive Exams>Chapter 9 - Nature of Matter>EXERCISE>Q 20
Melting points can separate materials because: