Description : Iron filling and water were placed in a 5 litre tank and sealed. The tank was heated to 1273 K. Upon analysis the tank was found to contain 1.10 gram
Last Answer : Iron filling and water were placed in a 5 litre tank and sealed. The tank was heated to 1273 K. Upon analysis ... `4.940xx10^(3)` D. `3.200xx10^(3)`
Description : What Tool that attracts objects that contain iron?
Last Answer : magnets
Description : Which of the following is/are not the characteristics of red soils? 1. They are derived from weathering of old crystalline and metamorphic rocks 2. They contain iron oxides 3. They have high water retention capacity 4. They ... nitrogen content (a) II and III (b) Only III (c) Only IV (d) III and IV
Last Answer : Ans: (d)
Description : Lead Storage batteries commonly contain ____. A. Copper B. Lead C. Iron D. Mercury
Last Answer : ANSWER: B
Description : Storage batteries commonly contain ____. A. Copper B. Lead C. Iron D. Mercury
Description : Which of the following ores does not contain iron? (1) Haematite (2) Magnetite (3) Limonite (4) Cassiterite
Last Answer : (4) Cassiterite
Description : Pick out the wrong statement. (A) Wrought iron contains about 0.02% carbon (B) Wrought iron cannot be easily forged and welded (C) The chilled cast iron does not contain graphite (D) Spheroidal grey cast iron contains graphite flakes
Last Answer : (B) Wrought iron cannot be easily forged and welded
Description : Raw materials used for producing __________ cement does not contain iron oxide. (A) Waterproof (B) Slag (C) White (D) Pozzolan
Last Answer : (C) White
Description : Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and (A) Manganese (B) Silicon (C) Nickel (D) Chromium
Last Answer : (A) Manganese
Description : Iron ore may contain (A) Carbon (B) Silicon (C) Phosphorus and manganese (D) All the above
Last Answer : Answer: Option D
Description : Cast iron (A) Is obtained by purifying pig iron (B) Is manufactured in required shapes (C) May contain 2 to 5 per cent of carbon with other impurities (D) All the above
Description : All alloys contain this element if they are amalga The element is: w) iron x) mercury y) gold z) platinum
Last Answer : ANSWER: X -- MERCURY