Which of the following is an ore of aluminium
Which of the following is an ore of aluminium Options (a) Dolomite (b) Azurite (c) Bauxite (d) Malachite Correct Answer:…
7 years ago
UP2002
Wood charcoal is used to decolourise sugar because it
Wood charcoal is used to decolourise sugar because it Options (a) adsorbs coloured material (b) adsorbs decoloured material (c) reduces…
7 years ago
Which of the following is not a source of vitamin A?
Which of the following is not a source of vitamin A? Options (a) carrot (b) mango (c) apple (d) yeast…
7 years ago
Wisdom teeth in human are
Wisdom teeth in human are Options (a) 3ʳᵈ molar & 4 in number (b) 3ʳᵈ molar & 2 in number…
7 years ago
Separation of amino and carboxylic groups from an amino acid is
Separation of amino and carboxylic groups from an amino acid is Options (a) amination (b) lysis (c) digestion (d) deamination…
7 years ago
Minamata disease first occurred in
Minamata disease first occurred in Options (a) Japan (b) China (c) Korea (d) Russia Correct Answer: JapanExplanation:Mercury (mercuric chloride) enters…
7 years ago
5th June is celebrated as
5th June is celebrated as Options (a) world forest day (b) world environment day (c) world red cross day (d)…
7 years ago
The boiling point of glycerol is more than propanol because of
The boiling point of glycerol is more than propanol because of Options (a) hybridisation (b) arrangement of molecules (c) H-bonding…
7 years ago
Two coherent sources of different intensities send waves which interfere.
Two coherent sources of different intensities send waves which interfere. The ratio of maximum intensity to minimum intensity is 25:1.…
7 years ago
An ideal gas expands in such a manner that its pressure and volume can be related
An ideal gas expands in such a manner that its pressure and volume can be related by equation PV²=constant. During…
7 years ago