Gk Questions with AnswersChemistry
DIRECTIONS : Questions based on Chemistry.
| 66. | Which alloy contains nickel? | ||
|---|---|---|---|
| A. Brass | |||
| B. Bronze | |||
| C. Invar | |||
| D. Solder | |||
| 67. | Which one of the following elements is not present in stainless steel? | ||
|---|---|---|---|
| A. Iron | |||
| B. Tungsten | |||
| C. Chromium | |||
| D. Nickel | |||
| 68. | Bronze is an alloy of | ||
|---|---|---|---|
| A. Tin and zinc | |||
| B. Iron and zinc | |||
| C. Copper and zinc | |||
| D. Copper and tin | |||
| 69. | Which of the following is a super cooled liquid? | ||
|---|---|---|---|
| A. Teflon | |||
| B. Glass | |||
| C. Mercury | |||
| D. Ice cream | |||
| 70. | Curd is sour due to presence of | ||
|---|---|---|---|
| A. Acidic acid | |||
| B. Tartaric acid | |||
| C. Lactic acid | |||
| D. Oxalic acid | |||