- (A) Copper
- (B) Lead
- (C) Tin
- (D) Iron
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- (A) Hematite
- (B) Magnetite
- (C) Siderite
- (D) Chalcopyrite
- (A) Mineral oil, soap and additives
- (B) Mineral oil and metallic soap
- (C) Mineral oil and fatty oil
- (D) Fatty oil and metallic soap
- (A) Coke oven gas
- (B) Water gas
- (C) Blast furnace gas
- (D) L.
- (A) Chamber
- (B) Chance
- (C) Tromp
- (D) Solvay
- (A) Lignin
- (B) Cellulose
- (C) Starch
- (D) Gelatine
- (A) Light & heavy leather respectively
- (B) Heavy & light leather respectively
- (C) Both light & heavy leather
- (D) Neither light nor heavy leather
- (A) Called ester value
- (B) Always negative
- (C) Constant for all fatty oils
- (D) None of these
- (A) Gives higher conversion efficiency
- (B) Has a longer life and is not poisoned by arsenic
- (C) Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant
- (D) All A ,
- (A) Acetic
- (B) Linoleic
- (C) Palmitic
- (D) Oleic
