Question
Deficiency of which of the following elements is responsible for weakening of bones? 1. Calcium 2. Phosphorus 3. Nitrogen 4. Carbon Select the correct answer using the codes given below
More Chemistry GS Questions
- Bleaching powder is represented as ______.
- What is the nature of the pH of milk?
- What is the colour of the outer zone of complete combustion of candle flame?
- The process of converting a solid directly into its vapor is called:
- Anesthesia which is administered during the surgeries in the hospitals is a mixture of which of the following gases?
- Which of the following is the most electronegative element in the periodic table?
- Which of the following does not give effervescence with sodium carbonate?
- Absolute alcohol is prepared from rectified spirit by using the following process :
- Which of the following metals forms an amphoteric oxide?
- Which element gives hardness to stainless steel?
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