Question: A sample of pure carbon dioxide, irrespective of its source contains 27.27% carbon and 72.73% oxygen. The data support [AIIMS 1992]
(a) Law of constant composition
(b) Law of conservation of mass
(c) Law of reciprocal proportions
(d) Law of multiple proportions
Correct Answer: (a) Law of constant composition
![Question: A sample of pure carbon dioxide, irrespective of its source contains 27.27% carbon and 72.73% oxygen. The data support [AIIMS 1992] (a) Law of constant composition (b) Law of conservation of mass (c) Law of reciprocal proportions (d) Law of multiple proportions](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPf0r0tbxRLU720qXBHZ2rUVI_kbW00gP4Y2yOkhpTKOZEJQn_ZWo76VIc9JqEdEaqGQASymiQr6i48AiEqlJXslBOwBWwSDkxAeJVNMgj4wogAIJVVpBPNuEYAKU5suPpI24Sh0bcTaZVUIo2x1npwTOhRssVuZknL5M_TuTTyAxpgs1Dr58m7PuX/s1920/A%20sample%20of%20pure%20carbon%20dioxide,%20irrespective%20of%20its%20source%20contains%2027.27%25%20carbon%20and%2072.73%25%20oxygen.%20The%20data%20support%20%5BAIIMS%201992%5D.jpg "Question: A sample of pure carbon dioxide, irrespective of its source contains 27.27% carbon and 72.73% oxygen. The data support [AIIMS 1992] (a) Law of constant composition (b) Law of conservation of mass (c) Law of reciprocal proportions (d) Law of multiple proportions")
More Question
- The element whose a atom has mass of 10.86 x 10^-26 kg is
- A 400 mg iron capsule contains 100 mg of ferrous fumarate, (CHCOO)₂Fe. The percentage of iron pasent in it is approximately
- Caffeine has a molecular weight of 194. If it contains 28.9% by mass of nitrogen, number of atoms of nitrogen in one molecule of caffeine is
- If the density of water is 1 g cm³ then the volume occupied by one molecule of water is approximately [Pb. PMT 2004]
- What volume of NH₃ gas at STP would be needed to prepare 100ml of 2.5 molal (2.5m) ammonium hydroxide solution
- What is the weight of oxygen required for the complete combustion of 2.8 kg of ethylene [CBSE PMT 1989]
- The weight of a molecule of the compound C₆₀H₁₂₂ is [AIIMS 2000]
- The specific heat of a metal is 0.16 its approximate atomic weight would be
- The number of molecule at NTP in 1 ml of an ideal gas will be
- What should be the equivalent weight of phosphorous acid, if P=31; O=16; H=1
- If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will [AIEEE 2005]
- Ratio of Câ‚š and Cáµ¥ of a gas X is 1.4, the number of atom of the gas ‘X’ present in 11.2 litres of it at NTP will be [CBSE 1999]
- How much coulomb charge is present on 1g ion of N^-3
- 1.520 g of the hydroxide of a metal on ignition gave 0.995 gm of oxide. The equivalent weight of metal is [DPMT 1984]
- Rearrange the following (I to IV) in the order of increasing masses and choose the correct answer from (a), (b), (c) and (d) (Atomic mass: N=14, O=16, Cu=63)