The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains
The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains Options (a) ClO₂ (b) NOCl (c) NCl₃ (d)…
7 years ago
Chemistry
The reagent commonly used to determine hardness of water titrimetrically is
The reagent commonly used to determine hardness of water titrimetrically is Options (a) oxalic acid (b) disodium salt of EDTA…
7 years ago
Which of the following reaction produces hydrogen
Which of the following reaction produces hydrogen Options (a) Mg + H₂O (b) H₂S₄O₈ + H₂O (c) BaO₂ + HCl…
7 years ago
The volume of 3.0 N-H₂O₂ strength is
The volume of 3.0 N-H₂O₂ strength is Options (a) 16.8 litres (b) 4.2 litres (c) 33.6 litres (d) 8.4 litres…
7 years ago
Which of the following metals reacts with water
Which of the following metals reacts with water Options (a) Copper (b) Nickel (c) Sodium (d) Silver Correct Answer: SodiumExplanation:No…
7 years ago
Deuterium nucleus contains
Deuterium nucleus contains Options (a) 1p + 1n (b) 2p + 0n (c) 1p + 1e⁻ (d) 2p + 2n…
7 years ago
H₂ will not reduce which of following oxide?
H₂ will not reduce which of following oxide? Options (a) Aluminium oxide (b) Calcium oxide (c) Ferrous oxide (d) None…
7 years ago
Which of the following can produce hydrogen from water
Which of the following can produce hydrogen from water Options (a) Heated stannic oxide (b) Heated iron (c) Heated aluminium…
7 years ago
Hydrogen can be fused to form helium at
Hydrogen can be fused to form helium at Options (a) high temperature and high pressure (b) high temperature and low…
7 years ago
By which of the following processes permanent hardness of water can be removed
By which of the following processes permanent hardness of water can be removed Options (a) Soda lime (b) Sodium bicarbonate…
7 years ago