In the process of osmosis, the volume of solvent
Options
(a) remains the same (b) increases (c) decreases (d) either increases or decreases
Correct Answer:
decreases
Explanation:
Osmosis is a special type of diffusion […]
Kreb’s cycle is found in
Options
(a) photosynthesis (b) anaerobic respiration (c) aerobic respiration (d) photorespiration
Correct Answer:
aerobic respiration
Explanation:
The common aerobic respiration consists of three steps – glycolysis, krebs cycle and […]
Which of the following statement regarding hydrogen peroxide is false
Options
(a) It is strong oxidizing agent (b) It is decomposed by MnO₂ (c) It behaves as a reducing agent (d) It is […]
Vegetative reproduction by layering is found in
Options
(a) rose (b) jasmine (c) mango (d) all of these
Correct Answer:
jasmine
Explanation:
No explanation available. Be the first to write the explanation for this […]
Diamond is used I glass cutting due to its
Options
(a) high metallic bonding (b) extreme hardness (c) low metallic bonding (d) high refractive index
Correct Answer:
extreme hardness
Explanation:
No explanation available. […]
Glass is soluble in
Options
(a) HClO₄ (b) Hf (c) aqua regia (d) H₂SO₄
Correct Answer:
Hf
Explanation:
Unlike other halogen acids, HF acid attacks silica and glass. Glass being a mixture of […]
The constituent of light oil is
Options
(a) anthracene (b) benzene (c) aniline (d) phenol
Correct Answer:
benzene
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
The main constituent of a natural gas is
Options
(a) C₃H₈ (b) C₆H₆ (c) C₂H₂ (d) CH₄
Correct Answer:
CH₄
Explanation:
Methane (CH₄) occurs in natural gas to the extent of 80-85% and […]
Indicator used in the titration of oxalic acid and NaOH is
Options
(a) phenolphthalein (b) methyl red (c) thymol blue (d) methyl orange
Correct Answer:
phenolphthalein
Explanation:
No explanation available. Be the first […]
If the pH of a solution is 4, then its OH⁻ concentration is
Options
(a) 10⁻¹⁴ (b) 10 x 10⁻⁵ (c) 10⁻⁴ (d) 10⁻¹⁰
Correct Answer:
10⁻¹⁰
Explanation:
No explanation available. Be the […]
2017 Copyright Doctor Dreams Training Academy