Jharkhand Polytechnic Entrance Exam 2019 Paper – Chemistry

Jharkhand Polytechnic Entrance Exam 2019 Paper – Chemistry

Druing respiration __________combines with oxygen in the cells and produces Carbon Dioxide and water.
(a) Sucrose
(b) Fructose
(c) Glucose
(d) Galactose

Colour of ferrous sulphate crystals
(a) Organe
(b) Green
(c) Blue
(d) Yellow

Chips manufacturers usually flush bags of chips with ________gas to prevent the chips from getting oxidised.
(a) Oxygen
(b) Nitrogen
(c) Hydrogen
(d) Carbon dioxide

___________solution does not conduct electricity.
(a) Sodium hyroxide
(b) Calcium hyroxide
(c) Glucose
(d) Hydrochloric acid

pH of blood is
(a) 5.6
(b) 6.5
(c) 7.4
(d) 4.7

Stinging hair of nettle leaves inject ______causing burning pain.
(a) Ethanoic acid
(b) Methanoic acid
(c) Propanoic acid
(d) Butanoic acid

Baking soda is
(a) Sodium carbonate
(b) Sodium hydrogen carbonate
(c) Sodium hydroxide
(d) Sodium chloride

__________is used in the manufacture of borax.
(a) Washing soda
(b) Baking soda
(c) Sodium hydroxide
(d) Sodium sulphate

The ability of metals to be dran in to thin wires is called
(a) Malleability
(b) Ductility
(c) Conductivity
(d) Sonorous

__________is most malleable metal.
(a) Au
(b) Al
(c) Fe
(d) Zn

___________ is non-metal but it is lustrous.
(a) Carbon
(b) Chlorine
(c) Bromine
(d) Iodine

____________does not react with cold water
(a) Sodium
(b) Calcium
(c) Magnesium
(d) Potassium