1.Among them intensive property is
(a) Mass
(b) Volume
© Surface tension
(d) Enthalpy
-
Stainless steel is an alloy of
(a) Copper
(b) Nickel and chromium
© Manganese
(d) Zinc -
Orion has a unit
(a) Vinyl cyanide
(b) Carolina
© Glycol
(d) Isoprene -
Structure of H2O2 is
(a) Planer
(b) Non-planar
© Liner
(d) Three-dimensional -
Triple point of water is
(a) 273 K
(b) 373 K
© 203 K
(d) 193 K -
What is the % of acetic acid present in vinegar?
(a) 6-10%
(b) 70-80%
© 7-8%
(d) 90-100% -
Nitrous oxide is known as
(a) Breathing gas
(b) Laughing gas
© Exercising gas
(d) Laboratory gas. -
Heat exchanged in a chemical reaction at the constant temperature and pressure is known as
(a) Internal energy
(b) Entropy
© Enthalpy
(d) Free energy -
By which reaction a ketone can be converted into a hydrocarbon?
(a) Aldol condensation
(b) Reimer-Tiemann reaction
© Cannizzaro reaction
(d) Wolf-Kishner reaction -
The photo-chemical laws are applicable to
(a) Primary reaction
(b) Secondary reaction
© Both of these
(d) None of these