Author: Study Clue

Metallurgy is the process of A studying metals B extracting metals from ores C purifying non-metals D alloy preparation only

d-Block elements are present in which groups A Group 1–2 B Group 13–18 C Group 3–12 D Group 17 only

s-Block elements are present in which groups of periodic table A Group 1 and 2 B Group 13 and 14

Which biomolecule primarily provides structural support in plants A starch B cellulose C glycogen D sucrose Explanation Cellulose forms plant

Polymers are A low molecular mass compounds B inorganic substances C high molecular mass macromolecules D simple hydrocarbons Explanation Polymers

Natural products are organic compounds obtained from A petroleum sources B living organisms C synthetic laboratories D inorganic minerals Explanation

Biomolecules are organic compounds essential for A industrial processes B laboratory reactions C life processes D combustion Explanation Biomolecules are

Amines are organic compounds derived from A ammonia B nitric acid C nitrous acid D nitriles Explanation Amines are formed

Aldehydes and ketones contain which functional group A –COOH B –CHO C >C=O D –OH Explanation Both aldehydes and ketones

Alcohols are organic compounds containing A –COOH group B –CHO group C –OH group attached to sp³ carbon D –OH