A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol
Correct Answer: 95% alcohol ✔
Last Updated: March 14, 2019
Related MCQs
- As a substance moves from a solid to a liquid all of the following changes occur except ?
- Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
- Methyl alcohol is not used as__________?
- All the following variables are used to describle gases except__________?
- Dempsters mass spectrometer has number of zones / parts__________?
- When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?
- The nucleus of an atom of every element will always contain__________?
- Which of the following methods is used to estimate hydrogen in an organic compound ?
- Isotopes differ in__________?
- Combustion analysis is performed to determine__________?
- Qualitative analysis is carried out for __________?
- Which of the following statements is wrong about isotopes ?
- The mass of decimole of electrons (NA) is__________?
- Which one of the following is not the mono isotopic element ?
- Which of the following terms is used for the mass of chlorine 35.5 ?
- Size of molecule depends upon__________?
- Avogadros number may represent__________?
- The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer__________?
- Which of the following ion formation is always exothermic ?
- Which one is true about isotope ?
- Molecular ions are formed by passing__________?
- Which of the following are isoelectronic species ?
- 1 a.m.u =__________?
- The properties of an element mosly corresponds to that isotope which has greater__________?
- For which of the following compounds the term empirical formula cannot be applied ?
- When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________?
- Isotopes of the same elements has__________?
- Which of the following is not a macromolecule ?
- Mostly elements have fractional atomic masses because of__________?
- Percentage of calcium in calcium carbonate is__________?
- How many isotopes have odd atomic number ?
- The number of moles of CO2 which contains 16 g of oxygen is__________?
- The volume occupied by 2.8 g of N2 at STP__________?
- Which one of the following has the maximum number of isotopes ?
- moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is__________?
- Which of the following terms is not used for ionic compound ?
- The number of isotopes of elements with even mass number and even atomic number are __________?
- One mole of CO2 contains?
- Which of the following statements about isotopes is correct ?
- Molecular mass of water (18g) means__________?
- Empirical formula of chloroform is__________?
- The number of peaks obtained in mass spectrometry shows__________?
- Mass spectrometer is used to determine Mass number of isotopes and__________?
- Diameter of an atom is in the order of__________?