Question Answers
Sahay Sir > Question Answers
Which one of the following cations gives a brick red flame by flame test (a) Ba 2+ (b) Sr 2+ (c) Ca 2+ (d) Zn 2+
06
Dec
Which one of the following cations gives a brick red flame by flame test (a) Ba 2+ (b) Sr 2+ (c) Ca 2+ (d) Zn 2+ Which one of the following cations gives a brick red flame by flame test (a) Ba 2+ (b) Sr 2+ (c) Ca 2+ (d) Zn 2+ December 6, 2020 [...]
Blue borax bead is obtained with (a) zn (b) Cobalt (c) Chromium (d) Fe
06
Dec
Blue borax bead is obtained with (a) zn (b) Cobalt (c) Chromium (d) Fe Blue borax bead is obtained with (a) zn (b) Cobalt (c) Chromium (d) Fe December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The radical can be identified by Borax Bead test is (a) Mg 2+ (b) Ca 2+ (c) Cu + (d) Cu 2+
06
Dec
The radical can be identified by Borax Bead test is (a) Mg 2+ (b) Ca 2+ (c) Cu + (d) Cu 2+ The radical can be identified by Borax Bead test is (a) Mg 2+ (b) Ca 2+ (c) Cu + (d) Cu 2+ December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The metal that does not give the borax-bead test is (a) Chromium (b) Nickel (c) Lead (d) Manganese
06
Dec
The metal that does not give the borax-bead test is (a) Chromium (b) Nickel (c) Lead (d) Manganese The metal that does not give the borax-bead test is (a) Chromium (b) Nickel (c) Lead (d) Manganese December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The alkaline earth metal that imparts apple green colour to the bunsen flame when introduced in it in the form of its chloride is (a) Barium (b) Strontium
06
Dec
The alkaline earth metal that imparts apple green colour to the bunsen flame when introduced in it in the form of its chloride is (a) Barium (b) Strontium The alkaline earth metal that imparts apple green colour to the bunsen flame when introduced in it in the form of its chloride is (a) Barium (b) [...]
Experiment shows that H2O has a dipole moment while CO2 has not. point out the structure which best illustrate these facts
06
Dec
Experiment shows that H2O has a dipole moment while CO2 has not. point out the structure which best illustrate these facts Experiment shows that H2O has a dipole moment while CO2 has not. point out the structure which best illustrate these facts December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A colourless gas with the smell of rotten fish is (a) H2S (b) PH3 (c) SO2 (d) None of these
06
Dec
A colourless gas with the smell of rotten fish is (a) H2S (b) PH3 (c) SO2 (d) None of these A colourless gas with the smell of rotten fish is (a) H2S (b) PH3 (c) SO2 (d) None of these December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A precipitate of calcium oxalate will not dissolve in (a) HCl (b) HNO3 (c) Aqua-regia (d) Acetic acid
06
Dec
A precipitate of calcium oxalate will not dissolve in (a) HCl (b) HNO3 (c) Aqua-regia (d) Acetic acid A precipitate of calcium oxalate will not dissolve in (a) HCl (b) HNO3 (c) Aqua-regia (d) Acetic acid December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which gives violet coloured bead in borax bead test (a) fe 2+ (b) Ni 2+ (c) Co 2+ (d) Mn 2+
06
Dec
Which gives violet coloured bead in borax bead test (a) fe 2+ (b) Ni 2+ (c) Co 2+ (d) Mn 2+ Which gives violet coloured bead in borax bead test (a) fe 2+ (b) Ni 2+ (c) Co 2+ (d) Mn 2+ December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
All carbon atoms are sp^2 hybridised in (a) 1, 3 – butadience (b) CH2 = C =CH2 (c) cyclohexane (d) 2 – butene
06
Dec
All carbon atoms are sp^2 hybridised in (a) 1, 3 – butadience (b) CH2 = C =CH2 (c) cyclohexane (d) 2 – butene 3 - butadience (b) CH2 = C =CH2 (c) cyclohexane (d) 2 - butene All carbon atoms are sp^2 hybridised in (a) 1 December 6, 2020 Category: Uncategorised (JEE Advanced Physics by [...]