Steel is composed of a number of elements. The two essential elements are iron and
aluminum
carbon
nickel
silicon
Additional Questions
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Which of the following is not a major pollutant from automobiles? |
Answer |
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The characteristic odour of Garlic is due to which one of the following? |
Answer |
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Which acid is produced when milk gets sour? |
Answer |
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When an ant bites a person, which irritating chemical it (ant) injects into his (person) body? |
Answer |
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Washing soda is the common name for |
Answer |
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Which one of the following is used as an explosive? |
Answer |
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Which one of the following is not a radioactive element? |
Answer |
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Chemically, lime water is |
Answer |
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A gas used as a disinfectant in drinking water is |
Answer |
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Evaporation from water surfaces exposed to air is not dependent of the |
Answer |