Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Assertion : Magnesium continue to burn in nitric oxide. Reason : During burning heat evolved do not decompose NO.
17
Nov
Assertion : Magnesium continue to burn in nitric oxide. Reason : During burning heat evolved do not decompose NO. Assertion : Magnesium continue to burn in nitric oxide. Reason : During burning heat evolved do not decompose NO. November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Deep pink colour is given to flame by the salts of (a) Strontium (b) Potassium (c) Zinc (d) Barium
17
Nov
Deep pink colour is given to flame by the salts of (a) Strontium (b) Potassium (c) Zinc (d) Barium Deep pink colour is given to flame by the salts of (a) Strontium (b) Potassium (c) Zinc (d) Barium November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Two electric bulbs A and B are rated 60 and 100 W respectively , If they are connected in parallel to the same source, then
17
Nov
Two electric bulbs A and B are rated 60 and 100 W respectively , If they are connected in parallel to the same source, then If they are connected in parallel to the same source then Two electric bulbs A and B are rated 60 and 100 W respectively November 17, 2020 Category: Uncategorised (JEE [...]
H2SO4 is added to 20% cold aqueous solution of BaO2. The product formed is (a) H2O2 (b) BaO (c) Ba(OH)2 (d) H2SO5
17
Nov
H2SO4 is added to 20% cold aqueous solution of BaO2. The product formed is (a) H2O2 (b) BaO (c) Ba(OH)2 (d) H2SO5 H2SO4 is added to 20% cold aqueous solution of BaO2. The product formed is (a) H2O2 (b) BaO (c) Ba(OH)2 (d) H2SO5 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Phosphine, acetylene and ammonia can be formed by treating water with (a) Mg3P2, Al4C3, Li3N (b) Ca3P2,CaC2,Mg3N2
17
Nov
Phosphine, acetylene and ammonia can be formed by treating water with (a) Mg3P2, Al4C3, Li3N (b) Ca3P2,CaC2,Mg3N2 acetylene and ammonia can be formed by treating water with (a) Mg3P2 Al4C3 CaC2 Li3N (b) Ca3P2 Mg3N2 Phosphine November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the presence of cobalt chloride, bleaching powder decomposes to form (a) CaCO3 and O3 (b) ClO2 and CaO (c) Cl2O and CaO
17
Nov
In the presence of cobalt chloride, bleaching powder decomposes to form (a) CaCO3 and O3 (b) ClO2 and CaO (c) Cl2O and CaO bleaching powder decomposes to form (a) CaCO3 and O3 (b) ClO2 and CaO (c) Cl2O and CaO In the presence of cobalt chloride November 17, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Which of the two switches S1 and S2 shown in figure will produce short – circuiting ?
17
Nov
Which of the two switches S1 and S2 shown in figure will produce short – circuiting ? Which of the two switches S1 and S2 shown in figure will produce short - circuiting ? November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A wire of length L and 3 identical cells of negligible internal resistance are connected in series. Due to the current, the temperature of the wire is raised by ΔT in a time t. A number N of similar cells is now connected in series with a wire of the same material and cross-section but of length 2L. The temperature of the wire is raised by the same amount ΔT in the same time t. the value of N is
17
Nov
A wire of length L and 3 identical cells of negligible internal resistance are connected in series. Due to the current, the temperature of the wire is raised by ΔT in a time t. A number N of similar cells is now connected in series with a wire of the same material and cross-section but [...]
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A wire of length L and 3 identical cells of negligible internal resistance are connected in series. Due to the current ,
and second as in circuit (ii) . Then ( power in R in circuit (i))/( Power in R in circuit (ii)) = ,
are connected in series with a 4.0ωresis→rR ,
each having an emf1.5V and a constant internal resistance 2.0ω ,
first as in circuit (i) ,
Three identical cells ,
Slow acting nitrogenous fertilizer among the following is (a) NH2CONH2 (b) NH4NO3 (c) CaNCN (d) KNO3
17
Nov
Slow acting nitrogenous fertilizer among the following is (a) NH2CONH2 (b) NH4NO3 (c) CaNCN (d) KNO3 Slow acting nitrogenous fertilizer among the following is (a) NH2CONH2 (b) NH4NO3 (c) CaNCN (d) KNO3 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following is formed when calcium combines with oxygen (a) Ca (b) CaO (c) CaO2 (d) Ca2O2
17
Nov
Which of the following is formed when calcium combines with oxygen (a) Ca (b) CaO (c) CaO2 (d) Ca2O2 Which of the following is formed when calcium combines with oxygen (a) Ca (b) CaO (c) CaO2 (d) Ca2O2 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,