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Which is correct (a) Galena : Mg2CO3 (b) Cassiterite : CaCO3 MgCO3 (c) Dolomite : SnO2 (d) Magnesite : MgCO3
12
Nov
Which is correct (a) Galena : Mg2CO3 (b) Cassiterite : CaCO3 MgCO3 (c) Dolomite : SnO2 (d) Magnesite : MgCO3 Which is correct (a) Galena : Mg2CO3 (b) Cassiterite : CaCO3 MgCO3 (c) Dolomite : SnO2 (d) Magnesite : MgCO3 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The bicarbonates of group 2 metals are (a) Easily oxidized by air (b) Stable only in solution (c) Unstable in solution (d) Stable to heat in solid state
12
Nov
The bicarbonates of group 2 metals are (a) Easily oxidized by air (b) Stable only in solution (c) Unstable in solution (d) Stable to heat in solid state The bicarbonates of group 2 metals are (a) Easily oxidized by air (b) Stable only in solution (c) Unstable in solution (d) Stable to heat in solid [...]
y=3sin π( 2/t − 4/x ) represents an equation of a progressive wave, where t is in second and x is in metre. The distance travelled by the wave in 5 s is
12
Nov
y=3sin π( 2/t − 4/x ) represents an equation of a progressive wave, where t is in second and x is in metre. The distance travelled by the wave in 5 s is where t is in second and x is in metre. The distance travelled by the wave in 5 s is y=3sin π( [...]
The process of ore dressing is carried out to (a) Remove the siliceous material (b) Add flux to the mineral (c) Convert the ore to oxide
12
Nov
The process of ore dressing is carried out to (a) Remove the siliceous material (b) Add flux to the mineral (c) Convert the ore to oxide The process of ore dressing is carried out to (a) Remove the siliceous material (b) Add flux to the mineral (c) Convert the ore to oxide November 12, 2020 [...]
Black Jack is an ore of (a) Cr (b) Sn (c) Zn (d) Ni
12
Nov
Black Jack is an ore of (a) Cr (b) Sn (c) Zn (d) Ni Black Jack is an ore of (a) Cr (b) Sn (c) Zn (d) Ni November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Wolframite ore is separated from tinstone ore by the process of (a) Roasting (b) Electromagnetic (c) Smelting (d) Calcination
12
Nov
Wolframite ore is separated from tinstone ore by the process of (a) Roasting (b) Electromagnetic (c) Smelting (d) Calcination Wolframite ore is separated from tinstone ore by the process of (a) Roasting (b) Electromagnetic (c) Smelting (d) Calcination November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
‘Lapis-Lazuli’ is a blue coloured precious stone. It is mineral of the class (a) Sodium-alumino silicate (b) Zinc cobaltate (c) Basic copper carbonate
12
Nov
‘Lapis-Lazuli’ is a blue coloured precious stone. It is mineral of the class (a) Sodium-alumino silicate (b) Zinc cobaltate (c) Basic copper carbonate 'Lapis-Lazuli' is a blue coloured precious stone. It is mineral of the class (a) Sodium-alumino silicate (b) Zinc cobaltate (c) Basic copper carbonate November 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
In an LCR circuit as shown below both switches are open initially. Now switch S1 kept open. (q is charge on the capacitor and τ=RC is Capacitive time constant). Which of the following statement is correct?
12
Nov
In an LCR circuit as shown below both switches are open initially. Now switch S1 kept open. (q is charge on the capacitor and τ=RC is Capacitive time constant). Which of the following statement is correct? The potential difference Va- Vb for the circuit shown in figure is -(22/x) V. Find the value of x. [...]
(Ag + Pb) alloy to (Ag + Pb + Zn) melt to Select correct statement based on above scheme (a) Layer X contains Zn and Ag (b) Layer Y contains Pb and Ag but
12
Nov
(Ag + Pb) alloy to (Ag + Pb + Zn) melt to Select correct statement based on above scheme (a) Layer X contains Zn and Ag (b) Layer Y contains Pb and Ag but (Ag + Pb) alloy to (Ag + Pb + Zn) melt to Select correct statement based on above scheme (a) Layer [...]
When a wave travels in a medium, the particle displacement is given by the equation y = a sin 2π(bt−cx), where a, b and c are constants. The maximum particle velocity will be twice the wave velocity. If
12
Nov
When a wave travels in a medium, the particle displacement is given by the equation y = a sin 2π(bt−cx), where a, b and c are constants. The maximum particle velocity will be twice the wave velocity. If b and c are constants. The maximum particle velocity will be twice the wave velocity. If the [...]