A) Carbon |
B) Silicon |
C) Sulphur |
D) Phosphorous |
C) Sulphur |
1). How does common salt help in separating soap from the solution after saponification?
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2). What are the soaps?
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3). The major ingredient of leather is
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4). Optic fibres are mainly used for which of the following?
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5). Rayon is chemically
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6). Wood is the main raw material for the manufacture of
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7). Which of the following is a protein?
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8). Which of the following is used for removing air bubbles from glass during its manufacture?
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9). Soap is a mixture of sodium or potassium salts of
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10). Gypsum is added to cement clinker to
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