Gk Questions with AnswersChemistry Gk Quiz Questions and Answers
| 1. | Which one of the following elements exists in liquid state at room temperature? | ||
|---|---|---|---|
| A. Lead | |||
| B. Mercury | |||
| C. Sodium | |||
| D. Calcium | |||
| Answer | ||
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| 2. | pH of human body varies within the range of | ||
|---|---|---|---|
| A. 7.0 to 11.0 | |||
| B. 7.0 to 7.8 | |||
| C. 6.0 to 6.5 | |||
| D. 5.5 to 5.8 | |||
| Answer | ||
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| 3. | Uric acid is present in | ||
|---|---|---|---|
| A. Soda water | |||
| B. Rancid butter | |||
| C. Urine of mammals | |||
| D. Sour milk | |||
| Answer | ||
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| 4. | Which of the following type of ore is concentrated by froth floatation process? | ||
|---|---|---|---|
| A. Oxide | |||
| B. Fluoride | |||
| C. Carbonate | |||
| D. Sulphide | |||
| Answer | ||
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