MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the reaction involved in Holmes signal? |
| A. | Ca<sub>3</sub>P<sub>2</sub> + 6H<sub>2</sub>O 2PH<sub>3</sub> + 3Ca(OH) <sub>2</sub> |
| B. | Ca<sub>3</sub>P<sub>2</sub> + 6H<sub>2</sub>O 2PH<sub>3</sub> P<sub>2</sub>H<sub>4</sub> + P<sub>4</sub>O<sub>6</sub> and CaC<sub>2</sub> + H<sub>2</sub>O C<sub>2</sub>H<sub>2</sub> |
| C. | Ca<sub>3</sub>P<sub>2</sub> + 6HCl 2PH<sub>3</sub> + 3CaCl<sub>2</sub> |
| D. | P<sub>4</sub> + 3NaOH + 3H<sub>2</sub>O PH<sub>3</sub> + 3NaH<sub>2</sub>PO<sub>2</sub> |
| Answer» C. Ca<sub>3</sub>P<sub>2</sub> + 6HCl 2PH<sub>3</sub> + 3CaCl<sub>2</sub> | |