Which of the following reaction produces hydrogen
Which of the following reaction produces hydrogen
Options
(a) Mg + H₂O (b) H₂S₄O₈ + H₂O (c) BaO₂ + HCl (d) Na₂O₂ + 2HCl
Correct Answer:
Mg + H₂O
Explanation:
No explanation available. […]
Questions
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
Correct Answer:
16.8 litres
Explanation:
No explanation available. Be the first to write […]
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:
Sodium
Explanation:
No explanation available. Be the first to write the explanation for this […]
Deuterium nucleus contains
Deuterium nucleus contains
Options
(a) 1p + 1n (b) 2p + 0n (c) 1p + 1e⁻ (d) 2p + 2n
Correct Answer:
1p + 1n
Explanation:
Deuterium,an isotope of hydrogen, is ₁H². Thus, it […]
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 of the above
Correct Answer:
None of the above
Explanation:
No explanation available. […]
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 oxide (d) Heated copper oxide
Correct Answer:
Heated iron
Explanation:
No explanation available. […]
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 pressure (c) low temperature and high pressure (d) low temperature and low pressure
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 (c) Washing soda (d) Sodium chloride
Correct Answer:
Washing soda
Explanation:
No explanation […]
Triple point of water is
Triple point of water is
Options
(a) 273 K (b) 373 K (c) 203 K (d) 193 K
Correct Answer:
273 K
Explanation:
No explanation available. Be the first to write the explanation […]
Hydrogen burns in air with a
Hydrogen burns in air with a
Options
(a) light bluish flame (b) yellow flame (c) green flame (d) none of these
Correct Answer:
light bluish flame
Explanation:
No explanation available. Be the first […]