The base present in DNA, but not RNA is
The base present in DNA, but not RNA is
Options
(a) uracil (b) thymine (c) guanine (d) adenine
Correct Answer:
thymine
Explanation:
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Questions
When aniline is treated with sodium nitrite and hydrochloric acid at 0⁰C, it gives
When aniline is treated with sodium nitrite and hydrochloric acid at 0⁰C, it gives
Options
(a) phenol and N₂ (b) diazonium salt (c) hydrazo compound (d) no reaction takes place
Correct Answer:
diazonium […]
Acetone reacts with iodine to form iodoform in the presence of
Acetone reacts with iodine to form iodoform in the presence of
Options
(a) CaCO₃ (b) MgCO₃ (c) NaOH (d) all of these
Correct Answer:
NaOH
Explanation:
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Picric acid is
Picric acid is
Options
(a) 2,4,6-trinitrotoluene (b) 2,4,6-tribromophenol (c) para-trinitrophenol (d) 2,4,6-trinitrophenol
Correct Answer:
2,4,6-trinitrophenol
Explanation:
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When CHCl₃ is boiled with NaOH, it gives
When CHCl₃ is boiled with NaOH, it gives
Options
(a) formic acid (b) trihydroxy methane (c) acetylene (d) sodium formate
Correct Answer:
sodium formate
Explanation:
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Which of the following paramagnetic
Which of the following paramagnetic
Options
(a) [Ni(CN)₄]²⁻ (b) [Ni(CO)₄] (c) [NiCl₄]²⁻ (d) [Co(NH₃)₆]³⁺
Correct Answer:
[NiCl₄]²⁻
Explanation:
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Which ion is detected by Nessler’s reagent
Which ion is detected by Nessler’s reagent
Options
(a) MnO₄ (b) PO₄³⁻ (c) NH₄⁺ (d) CrO₄²⁻
Correct Answer:
NH₄⁺
Explanation:
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MnO₂ and H₂O added to Nacl, the greenish-yellow gas liberate is
MnO₂ and H₂O added to Nacl, the greenish-yellow gas liberate is
Options
(a) Cl₂ (b) NH₃ (c) N₂ (d) H₂
Correct Answer:
Cl₂
Explanation:
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The absorption of hydrogen by palladium is called
The absorption of hydrogen by palladium is called
Options
(a) occlusion (b) hydration (c) hydrogenation (d) reduction
Correct Answer:
occlusion
Explanation:
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Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻²
Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻² ohm⁻¹ cm⁻¹. Its molar conductance in ohm⁻¹ cm² mol⁻¹ is
Options
(a) 1.06 ˣ 10² (b) 1.06 ˣ 10³ (c) 1.06 […]