Chemistry Class # 9 Chapter # 1 Welcome to your Chemistry Class # 9 Ch # 1 Quiz # 1 Hydrogen gas isa mono atomic gasa mixture of hydrogen atomsa diatomic gas with each molecule made up of 2 atomsa diatomic atom made up of two molecules Which one of the following is an example of triatomic molecule?O2CH4CO2NH3 The gram molecular mass of HNO3 is:981006360 Which of these molecule is not a compound?N2ON2NONO2 Which one of the following is equal to two moles of water (H2O)?1.084 × 1025 molecules6.022 × 1023 molecules1.204 × 1024 molecules1.806 × 1024 molecules Which one of the following can be broken into simpler substances?AmmoniaOxygenSulphuriron filling Which one of the following is homogeneous mixture?smokeairfogsmog Which one of the following compound has a both empirical and molecular formula identical?benzene (C6 H6 )hydrogen peroxide (H2 O2 )water (H2 O)glucose (C6H12 O6 ) A compound contains:different kind of atoms mixed togetherthe same kind of atoms mixed togetherdifferent kinds of atoms chemically combined togetherthe same kind of atoms chemically mixed together Which one of the following group consists of elements?Mercury, water Ammoniaiodine, tin, ironCopper, Aluminum, methaneCoal, smoke, fog Anything that has mass and occupies space is calledEnergyVolumeMatterNone of these A piece of matter in pure form is calledSubstanceGlassRubberMetal The shortest name of an element is calledIsotopeSymbolAbbreviationValence The symbol of Antimony isSbCuNaH The chemical formula of Baking soda isNaOHNaClHClNaHCO3 Time is Up!
