Chemistry
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This is a timed quiz. You will be given 1200 seconds to answer all questions. Are you ready?
1200
Sodium carbonate is produced by____________?
Correct!
Wrong!
When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?
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The volume occupied by 2.8 g of N2 at STP______________________?
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Diameter of an atom is in the order of________________?
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moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?
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Which one of the following is not the mono isotopic element ?
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How many isotopes have odd atomic number ?
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The number of moles of CO2 which contains 16 g of oxygen is__________________?
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Which of the following ion formation is always exothermic ?
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One mole of CO2 contains?
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The properties of an element mosly corresponds to that isotope which has greater_________________?
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The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer_________________?
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Covalent network crystals have_____________?
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Size of molecule depends upon________________?
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Avogadros number may represent_________________?
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Molecular ions are formed by passing______________________?
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The radioactive isotope of hydrogen is called___________?
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Electron was discovered by?
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Empirical formula of chloroform is____________________?
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Molecular mass of water (18g) means__________________?
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Which of the following is a substance?
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The mass of decimole of electrons (NA) is___________________?
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Isotopes of the same elements has__________________?
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Percentage of calcium in calcium carbonate is___________________?
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Mass spectrometer is used to determine Mass number of isotopes and___________________?
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Which of the following terms is used for the mass of chlorine 35.5 ?
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Which of the following statements about isotopes is correct ?
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The soul of chemistry is dealing with___________?
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What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
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Which of the following are isoelectronic species ?
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Which of the following is not a macromolecule ?
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Which one of the following has the maximum number of isotopes ?
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The number of peaks obtained in mass spectrometry shows____________________?
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Which one is true about isotope ?
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For which of the following compounds the term empirical formula cannot be applied ?
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Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?
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1 a.m.u =__________________?
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All of the following substances are crystalline except_____________?
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The number of isotopes of elements with even mass number and even atomic number are ________________?
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Which of the following terms is not used for ionic compound ?
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