Description : In hemochromatosis, the liver is infiltrated with (A) Iron (B) Copper (C) Molybdenum (D) Fats
Last Answer : Answer : A
Description : Hypogonadism can occur in deficiency of (A) Copper (B) Chromium (C) Zinc (D) Manganese
Last Answer : Answer : C
Description : Stainless steel is usually made by alloying the steel with – (1) copper and nickel (2) copper and chromium (3) chromium and nickel (4) manganese and copper
Last Answer : (3) chromium and nickel Explanation: In metallurgy, stainless steel is defined as a steel alloy with a minimum of 10.5 per cent to 11 per cent chromium content by mass. There are ... virtually nonmagnetic and less brittle at low temperatures. For greater hardness and strength, more carbon is added.
Description : Manganite is an ore/mineral of ______. (1) Beryllium (2) Chromium (3) Manganese (4) Copper
Last Answer : (3) Manganese Explanation: Manganite is an ore mineral of manganese. As a manganese ore, it ranks after pyrolusite and romanechite.
Description : Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. (A) Chromium (B) Arsenic (C) Copper (D) Manganese
Last Answer : (C) Copper
Description : Stainless steel is usually made by alloying the steel with (1) copper and nickel (2) copper and chromium (3) chromium and nickel (4) manganese and copper
Last Answer : chromium and nickel
Description : Adding which substance gives blue colour to glass? (1) Manganese oxide (2) Cobalt oxide (3) Chromium oxide (4) Iron oxide
Last Answer : (2) Cobalt oxide Explanation: Cobalt is the strongest of the coloring oxides, giving a range of blues in most glasses. It is such a powerful colorant that only a few parts per million is needed to produce a light blue color such as the shade used for certain bottled waters.
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 : Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron. (A) Manganese (B) Phosphorous (C) Magnesium (D) Chromium
Last Answer : Option C
Description : Menke’s disease is due to an abnormality in the metabolism of (A) Iron (B) Manganese (C) Magnesium (D) Copper
Last Answer : Answer : D
Description : Wilson’s disease is a condition of toxicosis of (A) Iron (B) Copper (C) Chromium (D) Molybdenum
Last Answer : Answer : B
Description : If America was invaded or infiltrated by an overwhelmingly superior foreign power, militarily speaking, would Americans resort to terrorism in a bid to liberate their homeland?
Last Answer : The Americans practiced Guerilla warfare to get rid to the British..so I would say yes..
Description : Which of the following is not a principal alloying element for the structural steel? (A) Molybdenum (B) Nickel (C) Manganese (D) Chromium
Last Answer : (A) Molybdenum
Description : Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are: (A) Nickel, cobalt & chromium (B) Tungsten, chromium & cobalt (C) Manganese, chromium & cobalt (D) Tungsten, molybdenum & nickel
Last Answer : Option B
Description : The yield strength and tensile strength of low carbon steel may be improved by the addition of (A) Manganese (B) Chromium (C) Nickel (D) Vanadium
Last Answer : Answer: Option D
Description : Weld decay is caused by the formation of a compound with carbon. The other element in this compound is: a) Manganese b) Sulphur c) Chromium d) Nickel
Last Answer : c) Chromium
Description : The Vindhyan system of rocks is important for the production of [CDS 2011] (a) precious stones and building materials (b) iron ore and manganese (c) bauxite and mica (d) copper and uranium
Last Answer : Ans: (a)
Description : In West Bengal, Raniganj is associated with : (1) Coalfields (2) Iron ore (3) Manganese ore (4) Copper
Last Answer : (1) Coalfields Explanation: Raniganj Coalfield is primarily located in the Asansol and Durgapur subdivisions of Bardhaman district in the Indian state of West Bengal.
Description : Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc
Last Answer : (1) Calcium and Magnesium Explanation: Pure and simple, asbestos is a group of naturally occurring minerals. It is composed of calcium and magnesium silicate. Asbestos occurs as veins in rocks and is mined from the ground, similar to coal.
Description : Which one of the following minerals is found in pure form? (1) Iron (2) Copper (3) Bauxite (4) Manganese
Last Answer : (2) Copper Explanation: Copper is one of very few elements that are found in essentially pure form in nature. But the bulk of the copper resource is found in other minerals.
Description : Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. (A) Beryllium (B) Manganese (C) Copper (D) Iron
Last Answer : (B) Manganese
Description : Which micro-nutrient is most deficient in Indo-Gangatic alluvium soils? (a) Iron (b) Zinc (c) Copper (d) Manganese
Last Answer : (d) Manganese
Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.
Last Answer : (c) phosphorus, potassium, sulphur, calcium
Description : In which of the following all three are macronutrients? (a) Molybdenum, magnesium, manganese (b) Nitrogen, nickel, phosphorus (c) Boron, zinc, manganese (d) Iron, copper, molybdenum
Last Answer : (d) Iron, copper, molybdenum
Description : Pick up the correct statement from the following: (A) Excess quantities of iron and manganese in water, cause discolouration of clothes (B) Lead and barium salts have toxic effect (C) Higher copper content affects the lungs (D) All the above
Last Answer : (D) All the above
Description : Explain the effects of following chemical elements on iron. i) Copper ii) Phosphorus iii) Manganese
Last Answer : Effect on iron: i) Copper: it improves the resistance to atmospheric corrosion. It strengthens steel. It may be added to improve formability. It improves pains adhesion ii) ... Manganese:it increase tensile strength, abrasion resistance, hardenability and toughness . it decrease weldability.
Last Answer : Calcium and Magnesium
Last Answer : Copper
Description : The substances used in the manufacture of stainless steel are 1. Chromium 2. Iron 3. Copper 4. Steel The correct answers are: (a) 1 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4
Last Answer : Ans:(a)
Description : Invar used in thermocouples is an alloy of nickel and (A) Iron (B) Copper (C) Chromium (D) Lead
Last Answer : (A) Iron
Description : Inconel is an alloy of (A) Tin, zinc and nicke (B) Iron, nickel and chromium (C) Copper and nickel (D) Copper and tin
Last Answer : (B) Iron, nickel and chromium
Description : Why for chromium plating iron is firstly platted by copper or nickel?
Last Answer : Ans: Because chromium metal doesn’t adhere directly to the iron properly so it is firstly plated with nickel or copper.
Description : Which of the following metal is used in electroplating to make object appear shinning? a) Iron b)copper c)chromium d)aluminium
Last Answer : c)chromium
Description : Galvanization of iron is carried out using (1) Zinc (2) Tin (3) Copper (4) Chromium
Last Answer : Zinc
Description : Hypochromic microcytic anaemia can occur in (A) Zinc (B) Copper (C) Manganese (D) None of these
Description : All the oxidases contain a metal which is (A) Copper (B) FAD (C) Manganese (D) None of these
Description : Metalloenzyme-retinene for polymerization of insulin is (A) Copper (B) Zinc (C) Cobalt (D) Manganese
Description : Mitochondrial superoxide dismutase contains (A) Zinc (B) Copper (C) Magnesium (D) Manganese
Description : The trace element catalyzing hemoglobin synthesis is (A) Manganese (B) Magnesium (C) Copper (D) Selenium
Description : Crystallisation of insulin occurs in the presence of (A) Chromium (B) Copper (C) Zinc (D) Calcium
Description : Metal required for polymerization of insulin is (A) Copper (B) Chromium (C) Cobalt (D) Zinc
Description : The central structure of B12 referred to as corrin ring system consists of (A) Cobalt (B) Manganese (C) Magnesium (D) Iron
Description : Chromium as a contaminant in drinking water in excess of permissible levels, causes (A) Skeletal damage (B) Gastrointestinal problem (C) Dermal and nervous problems (D) Liver/Kidney problems
Last Answer : (D) Liver/Kidney problems
Description : Khetri project in Rajasthan has been set up for producing (a) Zinc (b) Manganese (c) Copper (d) Salt
Last Answer : Ans: (c)
Description : Match the following: Minerals Location A. Coal 1. Giridih B. Copper 2. Jayamkondam C. Manganese 3. Alwar D. Lignite 4. Dharwar A B C D (a) 1 4 3 2 (b) 2 3 4 1 (c) 1 3 4 2 (d) 2 4 3 1
Description : Match the following: [IAS 2007] Mineral Place A. Mica 1. Chindwara B. Diamond 2. Bellary C. Manganese 3. Panna D. Copper 4. Hazaribagh A B C D (a) 1 2 3 4 (b) 1 3 2 4 (c) 4 3 2 1 (d) 4 2 3 1
Description : Which among the following elements increases the absorption of water and calcium in plants? (1) Manganese (2) Boron (3) Copper (4) Molybdenum
Last Answer : (2) Boron Explanation: Boron increases the absorption of water and calcium in the plants. It helps in the metabolic activities in plants. Boron is necessary in order for sugar to move through protoplasmic membranes.
Description : Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these
Last Answer : (A) Aluminium, copper and manganese
Description : Gun metal is an alloy of (A) Nickel, tin and copper (B) Copper, tin and zinc (C) Copper, phosphorus and nickel (D) Manganese, phosphorus and nickel
Last Answer : (B) Copper, tin and zinc
Description : The two sub-units of ribosome remain united at a critical ion level of (a) magnesium (b) calcium (c) copper (d) manganese.
Last Answer : (b) calcium