An organic compound gives Molisch’s test as well as Benedict’s test.But it does not gives Suliwanoff’s test.Most probably,it is
Options
(a) sucrose (b) protein (c) fructose (d) maltose
Correct Answer:
maltose
Explanation:
No […]
Thomas slag is
Options
(a) CaSiO₃ (b) Ca₃(PO₄)₂ (c) MnSiO₃ (d) CaCO₃
Correct Answer:
Ca₃(PO₄)₂
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Temperature coefficient of a reaction is 2. When temperature is increased from 30⁰C to 100⁰C, rate of the reaction increases by
Options
(a) 128 times (b) 100 times (c) 500 times (d) 250 […]
5 mL of N HCl, 20 mL of N/2 H₂SO₄ and 30 mL of N/3 HNO₃ are mixed together and volume made to one litre . The normality of the resulting solution is
Options […]
The flame colours of metals ions are due to
Options
(a) Frenkel deffect (b) Schottky defect (c) Metal deficiency defect (d) Metal excess defect
Correct Answer:
Metal excess defect
Explanation:
The flame colours […]
In the manufacture of sulphuric acid by contact process, Tyndall box is used to
Options
(a) filter dust particles (b) remove impurities (c) convert SO₂ to SO₃ (d) test the presence of dust […]
Every cell of the body contributes gemmules to the germ cells and so shares in the transmission of inherited characters. This theory is known as
Options
(a) theory of inheritance of acquired characteristics […]
During expiration, the diaphragm becomes
Options
(a) dome-shaped (b) oblique (c) normal (d) flattened
Correct Answer:
dome-shaped
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
If v is the speed of sound in air, then the shortest length of the closed pipe which resonates to a frequency n
Options
(a) v / 4n (b) v / 2n (c) 2n […]
In an interference experiment, third bright fringe is obtained at a point on the screen with a light of 700 nm. What should be the wavelength of the light source in order to obtain 5th […]
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