Q481
Open questionWhich of these acids is not organic in origin?
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Q482
Open questionMatch the sourc in Column B with the product of
| Column A. (Product) | Column B (Source) |
|---|---|
| A. Formic acid | 1. Lemon |
| B. Citric acid | 2. Tamarind |
| C. Tartaric acid | 3. Ants |
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Q483
Open questionSaline soil contains
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Q484
Open questionSour milk contains
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Q485
Open questionBasicity of boric acid, H3BO3 is
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Q486
Open questionWhich one is a soluble salt in H2O?
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Q487
Open questionVinegar is ________ .
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Q488
Open questionpH value between 6.5-7.5 makes the soil
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Q489
Open questionA pungent smell often present near the urinals is due to
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Q490
Open questionAmmonial is a mixture of
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Q491
Open questionThe gas dissolved in water that makes it basic is :
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Q492
Open questionWhich of the following acts as promoter for iron in Haber's process?
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Q493
Open questionOne property of ammonia is
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Q494
Open questionWhich one of the following is used for dating very old objects of archaeological importance?
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Q495
Open questionIn which of the following substances all carbon atoms are quaternary in nature ?
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Q496
Open questionWhen lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is
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Q497
Open questionWhich of the following is used as filler in tyre of rubber ?
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Q498
Open questionThe open "Sigrees" or coal stoves often require fanning to sustain burning because of
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Q499
Open question24 carat of diamond is equal to
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Q500
Open question1 carat of diamond is equal to
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