Gk Questions with AnswersChemistry Quiz Questions and Answers
| 5. | Deficiency of iron in our body leads to | ||
|---|---|---|---|
| A. Anaemia | |||
| B. Glaucoma | |||
| C. Rickets | |||
| D. Scurvy | |||
| Answer | ||
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| 6. | What is the ratio of cement and sand required in mortar? | ||
|---|---|---|---|
| A. 1:3 | |||
| B. 2:3 | |||
| C. 3:2 | |||
| D. 3:1 | |||
| Answer | ||
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| 7. | Which of the following steel is used in making radio valves? | ||
|---|---|---|---|
| A. Silicon steel | |||
| B. Cobalt steel | |||
| C. Nickel steel | |||
| D. Manganese steel | |||
| Answer | ||
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| 8. | Which of the following glass has a very high refractive index | ||
|---|---|---|---|
| A. Hard glass | |||
| B. Safety glass | |||
| C. Pyrex glass | |||
| D. Flint glass | |||
| Answer | ||
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