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question_answer1) In borax bead test, which of the following compound is formed [CBSE PMT 2002]
question_answer2) The metal that does not give the borax-bead test is [MP PMT 1999]
question_answer3) Which of the following is colored compound? [BCECE 2005]
question_answer4) The composition of 'Golden spangles' is [CBSE PMT 1990]
question_answer5) The alkaline earth metal that imparts apple green colour to the bunsen flame when introduced in it in the form of its chloride is [EAMCET 1979]
question_answer6) Which gives violet coloured bead in borax bead test [BHU 1988; MP PET 1997]
question_answer7) Sodium borate on reaction with \[{{H}_{2}}S{{O}_{4}}\] (conc.) and \[{{C}_{2}}{{H}_{5}}OH\] gives a compound ?A? which burns with green flame. The compound ?A? is [MP PET 1994]
question_answer8) On mixing two colourless gases, a deep brown colour is observed. The gases are [CPMT 1977]
question_answer9) Which one of the following metals will give blue ash when its salt is heated with \[N{{a}_{2}}C{{O}_{3}}\] solid and \[Co{{\left( N{{O}_{3}} \right)}_{2}}\] on a charcoal piece [MNR 1987]
question_answer10) The metal that does not give the borax bead test is [BHU 1987; AFMC 1995; MHCET 2003]
question_answer11) When concentrated \[{{H}_{2}}S{{O}_{4}}\] is added to dry \[KN{{O}_{3}}\], brown fumes evolve. These fumes are [CPMT 1988; IIT 1987]
question_answer12) Which one of the following salt give green coloured flame when the salt is tested by Pt wire
question_answer13) A precipitate of calcium oxalate will not dissolve in [CPMT 1971]
question_answer14) Sodium sulphite on heating with dilute \[HCl\] liberates a gas which [NCERT 1972]
question_answer15) Starch-iodide paper is used for the test of
question_answer16) Which of the following salt gives white precipitate with \[AgN{{O}_{3}}\] solution and dil. \[{{H}_{2}}S{{O}_{4}}\] solution and gives green flame test
question_answer17) Two gases when mixed give white dense fumes, the gases are
question_answer18) Blue borax bead is obtained with [MADT Bihar 1982; MP PET 1995]
question_answer19) Which of the following imparts green colour to the burner flame [DCE 2004]
question_answer20) In laboratory burners, we use [DCE 2004]
question_answer21) A colourless gas with the smell of rotten fish is [AFMC 2005]
question_answer22) Which BLUE LIQUID is obtained on reacting equimolar amounts of two gases at\[-30{}^\circ C\]? [IIT 2005]
question_answer23) \[Mn{{O}_{2}}\] and \[{{H}_{2}}S{{O}_{4}}\] added to \[NaCl\], the greenish yellow gas liberated is [Orissa JEE 2005]
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