A deutrium is
A deutrium is Options (a) an electron with a positive charge (b) a nucleus having two protons (c) a nucleus…
8 years ago
Questions
Which of the following statement about water is wrong?
Which of the following statement about water is wrong? Options (a) It can act as a base (b) It can…
8 years ago
The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is
The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is Options (a) 220.4 (b) 110.2…
8 years ago
What is the approximate percentage of H₂O₂ in a sample labelled as 10 V?
What is the approximate percentage of H₂O₂ in a sample labelled as 10 V? Options (a) 10% (b) 9% (c)…
8 years ago
A 6 volume sample of H₂O₂
A 6 volume sample of H₂O₂ Options (a) will contain 6% V/V of H₂O₂ (b) will contain 6% W/V of…
8 years ago
Which of the following pairs of substance on reaction will not evolve H₂ gas
Which of the following pairs of substance on reaction will not evolve H₂ gas Options (a) Copper and HCl (aqueous)…
8 years ago
Predict the product of reaction of I₂ with H₂O₂ in basic medium
Predict the product of reaction of I₂ with H₂O₂ in basic medium Options (a) I⁻ (b) I₂O₃ (c) IO₃⁻ (d)…
8 years ago
In solid ice, oxygen atom is surrounded
In solid ice, oxygen atom is surrounded Options (a) tetrahedrally by 4 hydrogen atoms (b) octahedrally by 2 oxygen and…
8 years ago
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)…
8 years ago
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…
8 years ago