Isotopes differs in:
A. arrangement of electrons in orbitals
B. position in the periodic table
C. properties depend upon mass
D. chemical properties
Antiseptic Urotropine formed by:
A. Carboxylic acid
B. Acetaldehyde
C. Formaldehyde
D. Ketone
Size of colloidal particles
A. greater than true solution
B. greater than suspension
C. In b/w true solution & suspension
D. None of These
Ketones and aldehydes can be distinguished using:
A. Bendict solution
B. Fehling solution
C. Tollens reagent
D. None of These
Mass spectroscopy mainly tells about:
A. Mass
B. e/m ratio
C. Isotopes
D. None of These
Actinides are the elements with atomic numbers from:
A. 97 to 104
B. 101 to 115
C. 89 to 103
D. 36 to 43
Ketones and Aldehydes are differentiate by using:
A. Fehling solution
B. Bendict solution
C. Silver Mirror test
D. Nitroprusside test
which of the following is a non-crystalline solid pair?
A. diamond, wood
B. glass, table salt
C. wood, glass
D. sucrose. glass
What is the chemical name of Oil of Vitriol?
A. Hydrochloric Acid
B. Sulphuric Acid
C. Nitric Acid
D. Muriatic Acid
Transition temperature for tin grey & tin white is :
A. 128.15°C
B. 18°C
C. 246.12°C
D. 96°C
