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
- Which of the following relation is correct?
- Which of the following metals forms an amphoteric oxide?
- Why do metals conduct electricity?
- Alkali metals have ______. I. low melting points II. low densities
- Which of the follwoing gas is commonly known as "Laughing Gas" ?
- _____ is the movement of chemicals in the upper layers of soil into lower layers or into groundwater by being dissolved in water.
- The sound produced by a bat is –
- Anemometer is used to measure –
- Which is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe’s elemental mass?
- The SI unit of acceleration is_________.
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