Question Answers

Blister copper is (a) Pure copper (b) Ore of Copper (c) Alloy of copper (d) 1% impure copper Blister copper is (a) Pure copper (b) Ore of Copper (c) Alloy of copper (d) 1% impure copper December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A nitrate when mixed with common salt gives a white precipitate which is soluble in dilute NH4OH. It is the nitrate of (a) Copper (b) Mercury A nitrate when mixed with common salt gives a white precipitate which is soluble in dilute NH4OH. It is the nitrate of (a) Copper (b) Mercury December 1, 2020 [...]

In the circuit shown P ≠ R, the reading of galvanometer is same with switch S open or closed. Then In the circuit shown P ≠ R the reading of galvanometer is same with switch S open or closed. Then December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity [...]

In the adjoining circuit, the e.m.f. of the cell is 2 volt and the internal resistance is negligible. The resistance of the voltmeter is 80 ohm. The reading of the voltmeter will be In the adjoining circuit the e.m.f. of the cell is 2 volt and the internal resistance is negligible. The resistance of the [...]

A potential difference of 220 V is maintained across a 12000 ohm rheostat, as shown in the figure. The voltmeter has a resistance of 6000 ohm and point c is at one-fourth of the distance from a to b. Therefore, the reading of the voltmeter is A potential difference of 220 V is maintained across [...]

The voltmeter reads 40V across 60Ω resistance. The resistance of voltmeter is. The voltmeter reads 40V across 60Ω resistance. The resistance of voltmeter is. December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity , Part 2 ,

An ammeter and a voltmeter are connected in series to a battery with an emf 6.0 V. Now a resistance is connected in parallel to voltmeter, the reading of ammeter is doubled, while that of voltmeter is reduced to half. The reading of voltmeter after connecting the resistance is An ammeter and a voltmeter are [...]

Silver nitrate is supplied in coloured bottles because it is (a) Oxidised in air (b) Decomposes in sunlight Silver nitrate is supplied in coloured bottles because it is (a) Oxidised in air (b) Decomposes in sunlight December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Silver nitrate is prepared by (a) The action of only conc. HNO3 on silver (b) Heating silver oxide with NO2 Silver nitrate is prepared by (a) The action of only conc. HNO3 on silver (b) Heating silver oxide with NO2 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Cu2Cl2 with HCl in presence of oxidizing agents gives (a) CuCl2 (b) H2CuCl2 (c) Hydrogen gas Cu2Cl2 with HCl in presence of oxidizing agents gives (a) CuCl2 (b) H2CuCl2 (c) Hydrogen gas December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,