Copper and oxygen
Oxygen and copper
Hydrogen and copper
Copper and hydrogen
Correct answer is B
No explanation has been provided for this answer.
206.0 g
103.0 g
98.1 g
51.5 g
Correct answer is B
1 mole of H2SO4 ≈ 98 gms
0.175 dm3 of 6.0 m H2SO4
1000 cm3 ≈ dm3
(0.175) / (1000) of 6.0 m H2SO4
0.000175 x 6 x 98 ≈ 0.1029 gms
1 dm3 - 1000 cm3
∴ 0.1029 x 1000 = 103 gms
Which of these is an acid salt?
K2SO4-.AI2(SO4)3.24H2O
CuCO3.Cu(OH)2
NaHS
CaOCI2-
Correct answer is C
No explanation has been provided for this answer.
Arrange HCI, CH3COOH, C6H5CH3 in order of increasing conductivity.
HCI, CH3COOH, C6H5CH3
C6H5CH3, HCI, CH3COOH
C6H5CH3, CH3COOH, HCI
CH3COOH, C6H5CH3, HCI
Correct answer is C
No explanation has been provided for this answer.
1.6 x 10-4
6.3 x 10-11
6.3 x 10-4
1.6 x 10-11
Correct answer is B
No explanation has been provided for this answer.