(A) Fructose
(B) Glucose
(C) Starch
(D) Sucrose
Alkenes are prepared from alcohols by a process called?
(A) Dehydration
(B) Dehydrogenation
(C) Dehalogenation
(D) Dehydro Halogenation
In laboratory urea was prepared by?
(A) Rutherford
(B) Wohler
(C) Berzellius
(D) Dalton
A reaction between an acid and base produces?
(A) Salt and gas
(B) Salt and water
(C) Salt and acid
(D) Salt and base
If a liquid has PH 7 then it must?
(A) Be a colourless and odourless liquid
(B) Freeze at 0 Degree centigrade and boil at 100 degree centigrade
(C) Be neutral
(D) Be a solution containing water
A reverse reaction is not that?
(A) Which takes place from left to right
(B) In which reactants react to from products
(C) Which slows down gradually
(D) Which speeds up gradually
In the lime kiln the reaction CaCO3—>CaO+CO2 goes to completion because of?
(A) High temperature
(B) CaO is more stable than CaCO3
(C) CO2 escapes out continuosly
(D) CaO is not dissociated
___ will hold a mass nationwide online “cow science” exam next month.
(A) Bangladesh
(B) Burma
(C) India
(D) Nepal