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The magnesium is used in...

The magnesium is used in

A

Flash Bulb

B

Grignard's reagent

C

Electron alloy

D

All of these

Text Solution

AI Generated Solution

The correct Answer is:
To determine the uses of magnesium, we can analyze the options provided: flash bulb, Grignard reagent, electron alloy, and all of these. ### Step-by-Step Solution: 1. **Identify the Properties of Magnesium**: - Magnesium (Mg) is the lightest metal and has unique properties that make it useful in various applications. 2. **Consider the Options**: - **Flash Bulb**: Magnesium burns with a brilliant white light when ignited, making it suitable for use in photographic flash bulbs. - **Grignard Reagent**: Magnesium is used to prepare Grignard reagents, which are important in organic synthesis. - **Electron Alloy**: Magnesium is often alloyed with other metals, such as aluminum, to create lightweight and strong materials. 3. **Evaluate Each Option**: - **Flash Bulb**: Correct, as magnesium produces bright light when burned. - **Grignard Reagent**: Correct, as magnesium is essential in the formation of these reagents. - **Electron Alloy**: Correct, as magnesium is used in various alloys for improved properties. 4. **Conclusion**: - Since magnesium is used in all the mentioned applications, the correct answer is **"all of these."** ### Final Answer: Magnesium is used in flash bulbs, Grignard reagents, and electron alloys. Therefore, the answer is **all of these**. ---
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