Metal present in blood is (1) Calcium (2) Zinc (3) Sodium (4) Iron

Metal present in blood is (1) Calcium (2) Zinc (3) Sodium (4) Iron
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Iron
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Metal present in blood is – (1) Calcium (2) Zinc (3) Sodium (4) Iron

Description : Metal present in blood is – (1) Calcium (2) Zinc (3) Sodium (4) Iron

Last Answer : (4) Iron Explanation: Iron is an essential part of the proteins that transport oxygen in the body. Hemoglobin, the oxygencanying protein in red blood cells, accounts for about two-thirds ... , the protein that supplies oxygen to muscles, and in enzymes needed for various biochemical reactions.

Which is the most commonly used molten metal for cooling of nuclear reactors? (A) Calcium (B) Sodium (C) Mercury (D) Zinc

Description : Which is the most commonly used molten metal for cooling of nuclear reactors? (A) Calcium (B) Sodium (C) Mercury (D) Zinc

Last Answer : (B) Sodium

Nature The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Description : Nature The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Last Answer : ANSWER: A

The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Description : The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Last Answer : ANSWER: A

The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Description : The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Last Answer : ANSWER: A

The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Description : The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Last Answer : ANSWER: A

The second most abundant metal found in the earth’s crust is-------? A. Iron (Answer) B. Aluminium C. Calcium D. Sodium

Description : The second most abundant metal found in the earth’s crust is-------? A. Iron (Answer) B. Aluminium C. Calcium D. Sodium

Last Answer : A. Iron (Answer)

The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron

Description : The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron

Last Answer : (1) cobalt Explanation: The structure of B12 is based on a corrin ring, which is similar to the porphyrin ring found in heme, chlorophyll, and cytochrome. It contains the biochemically rare element cobalt sitting in the center of the ring. Also called cobalamin, it is a water-soluble vitamin.

The trace metal present in insulin is – (1) iron (2) zinc (3) cobalt (4) manganese

Description : The trace metal present in insulin is – (1) iron (2) zinc (3) cobalt (4) manganese

Last Answer : (2) zinc Explanation: Trace elements play important role in Insulin metabolism. The relationship between diabetes, insulin and zinc (Zn) is complex with no clear cause and effect ... and free radicals associated with decreases in intracellular Zn and in Zn dependent antioxidant enzymes.

The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron

Description : The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron

Last Answer : cobalt

The trace metal present in insulin is (1) iron (2) zinc (3) cobalt (4) manganese

Description : The trace metal present in insulin is (1) iron (2) zinc (3) cobalt (4) manganese

Last Answer : zinc

The metal present in insulin is (1) Copper (2) Iron (3) Zinc (4) Magnesium

Description : The metal present in insulin is (1) Copper (2) Iron (3) Zinc (4) Magnesium

Last Answer : Zinc

The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron

Description : The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron

Last Answer : Answer : B

The name of the common mineral salt present in sweat is ? A. Calcium Oxalate B. Potassium Sulphate C. Sodium Chloride (Answer) D. Iron Sulphate E. None of these

Description : The name of the common mineral salt present in sweat is ? A. Calcium Oxalate B. Potassium Sulphate C. Sodium Chloride (Answer) D. Iron Sulphate E. None of these

Last Answer : C. Sodium Chloride (Answer)

Pyruvate dehydrogenase activity is inhibited by (A) Mercury (B) Zinc (C) Calcium (D) Sodium

Description : Pyruvate dehydrogenase activity is inhibited by (A) Mercury (B) Zinc (C) Calcium (D) Sodium

Last Answer : Answer : A

A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Description : A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Last Answer : Ans: C

Consider the following statements: 1. Bordeaux mixture consists of sodium bromide and lime 2. Toothpastes contain calcium carbonate 3. Zinc amalgam is used in dental fillings 4. Liquid sodium is used as a coolant in nuclear reactors The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Bordeaux mixture consists of sodium bromide and lime 2. Toothpastes contain calcium carbonate 3. Zinc amalgam is used in dental fillings 4. Liquid sodium is used as a coolant in nuclear reactors The ... 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(c)

Haemoglobin formation needs both (A) Iron and Zinc (B) Iron and Calcium (C) Iron and Copper (D) Iron and Magnesium

Description : Haemoglobin formation needs both (A) Iron and Zinc (B) Iron and Calcium (C) Iron and Copper (D) Iron and Magnesium

Last Answer : Answer : C

The element which is rich in most leafy vegetables is (1) Phosphorous (2) Zinc (3) Iron (4) Calcium

Description : The element which is rich in most leafy vegetables is (1) Phosphorous (2) Zinc (3) Iron (4) Calcium

Last Answer : (3) Iron Explanation: Green leafy vegetables are rich in iron as well as calcium. For example, Spinach is a dark, leafy green vegetable which is high in iron. One cup of cooked spinach ... of many proteins, including hemoglobin, which helps red blood cells deliver oxygen to all areas of the body

Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

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.

Which one of the following elements shows variable equivalent mass? (1) Zinc (2) Silver (3) Calcium (4) Iron

Description : Which one of the following elements shows variable equivalent mass? (1) Zinc (2) Silver (3) Calcium (4) Iron

Last Answer : (4) Iron

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.

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

The element which is rich in most leafy vegetables is (1) Phosphorous (2) Zinc (3) Iron (4) Calcium

Description : The element which is rich in most leafy vegetables is (1) Phosphorous (2) Zinc (3) Iron (4) Calcium

Last Answer : Iron

Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Description : Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Last Answer : Calcium and Magnesium

Which of the following metals is NOT obtained by reduction using carbon? (1) Copper (2) Sodium (3) Iron (4) Zinc

Description : Which of the following metals is NOT obtained by reduction using carbon? (1) Copper (2) Sodium (3) Iron (4) Zinc

Last Answer : (2) Sodium Explanation: Metals such as zinc, iron and copper are present in ores as their oxides. Each of these oxides is heated with carbon to obtain the metal.

Which of the following is the correct arrangement of the given metals in ascending order of their reactivity? Zinc, Iron, Magnesium, Sodium A) Zinc > Iron > Magnesium > Sodium B) Sodium > Magnesium > Iron > Zinc C) Sodium > Zinc > Magnesium > Iron D) sodium > Magnesium > Zinc > Iron

Description : Which of the following is the correct arrangement of the given metals in ascending order of their reactivity? Zinc, Iron, Magnesium, Sodium A) Zinc > Iron > Magnesium > Sodium B) Sodium > Magnesium > Iron > Zinc C) Sodium > Zinc > Magnesium > Iron D) sodium > Magnesium > Zinc > Iron

Last Answer : D) sodium > Magnesium > Zinc > Iron

Metal in Vitamin B12 is (A) Copper (B) Cobalt (C) Iron (D) Zinc

Description : Metal in Vitamin B12 is (A) Copper (B) Cobalt (C) Iron (D) Zinc

Last Answer : Answer : B

The metal, which is a constituent of vitamin B12 is - (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Description : The metal, which is a constituent of vitamin B12 is - (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Last Answer : (4) Cobalt Explanation: Vitamin B12 is a "generic descriptor for compounds exhibiting the biologic activity of cyanocobalarnin: the antianemia factor of liver extract that contains cobalt, a cyano group ... lead to anemia, as well as nerve and brain damage, which may eventually become irreversible.

Which among the following metal is used for galvanization? (1) Zinc (2) Copper (3) Iron (4) Silver

Description : Which among the following metal is used for galvanization? (1) Zinc (2) Copper (3) Iron (4) Silver

Last Answer : (1) Zinc Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc.

The most abundant metal in the Earth’s crust is - (1) zinc (2) copper (3) aluminium (4) iron

Description : The most abundant metal in the Earth’s crust is - (1) zinc (2) copper (3) aluminium (4) iron

Last Answer : (3) aluminium Explanation: The most abundant metal on Earth is aluminum. Aluminum is the third most abundant element in the Earth's crust, and makes up 8 percent of it by parts per million. The most abundant element in the Earth's crust is Oxygen followed by Silicon. Both of these are nonmetals.

The metal used in storage batteries- (1) Iron (2) Copper (3) Lead (4) Zinc

Description : The metal used in storage batteries- (1) Iron (2) Copper (3) Lead (4) Zinc

Last Answer : (3) Lead Explanation: Commercially available batteries use a variety of metals and electrolytes. Anodes can be made of zinc, aluminum, lithium, cadmium, iron, metallic lead, lanthanide, or graphite

The metal used to make lightning conductors is – (1) Iron (2) Aluminum (3) Copper (4) Zinc

Description : The metal used to make lightning conductors is – (1) Iron (2) Aluminum (3) Copper (4) Zinc

Last Answer : (3) Copper Explanation: A lightning rod is a metal rod or metallic object mounted on top of a building, electrically bonded using a wire or electrical conductor to interface with ground or "earth" ... wire, instead of passing through the building, where it could start a fire or cause electrocution.

Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Description : Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Last Answer : (A) Mainly tin (85%) and lead

The metal, which is a constituent of vitamin B12 is------? A. Iron B. Magnesium C. Zinc D. Cobalt (Answer)

Description : The metal, which is a constituent of vitamin B12 is------? A. Iron B. Magnesium C. Zinc D. Cobalt (Answer)

Last Answer : D. Cobalt (Answer)

Enzyme catalase has non-protein metal asA-magnesium B-manganese C-iron D-zinc

Description : Enzyme catalase has non-protein metal asA-magnesium B-manganese C-iron D-zinc

Last Answer : iron

_______ being a very light metal is used for making aircraft bodies . a) aluminium b)copper c)zinc d)iron

Description : _______ being a very light metal is used for making aircraft bodies . a) aluminium b)copper c)zinc d)iron

Last Answer : a) aluminium

The metal, which is a constituent of vitamin B12 is (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Description : The metal, which is a constituent of vitamin B12 is (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Last Answer : Cobalt

The most abundant metal in the Earth’s crust is (1) zinc (2) copper (3) aluminium (4) iron

Description : The most abundant metal in the Earth’s crust is (1) zinc (2) copper (3) aluminium (4) iron

Last Answer : aluminium

The metal chiefly used for galvanising iron is : (1) Zinc (2) Mercury (3) Cadmium (4) Tin

Description : The metal chiefly used for galvanising iron is : (1) Zinc (2) Mercury (3) Cadmium (4) Tin 

Last Answer : Zinc

Which metal does not undergo corrosion due to the formation of oxide layer? (1) Copper (2) Iron (3) Aluminium (4) Zinc

Description : Which metal does not undergo corrosion due to the formation of oxide layer? (1) Copper (2) Iron (3) Aluminium (4) Zinc

Last Answer : Aluminium

The metal, used to galvanise iron to protect it from rusting is (1) Zinc (2) Chromium (3) Lead (4) Antimony

Description : The metal, used to galvanise iron to protect it from rusting is (1) Zinc (2) Chromium (3) Lead (4) Antimony

Last Answer : Zinc

The metal used to make lightning conductors is (1) Iron (2) Aluminium (3) Copper (4) Zinc

Description : The metal used to make lightning conductors is (1) Iron (2) Aluminium (3) Copper (4) Zinc

Last Answer : Copper

The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Description : The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Last Answer : (1) Calcium, Magnesium Explanation: Calcium and magnesium ion cause hardness of water.

A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X is Calcium carbonate and Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above

Description : A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X ... Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above

Last Answer : (b) X is Calcium carbonate and Y is calcium hydroxide

The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Description : The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Last Answer : Calcium, Magnesium

An increase in carbohydrate metabolism is accompanied by temporary decrease in serum: (A) Calcium (B) Phosphate (C) Iron (D) Sodium

Description : An increase in carbohydrate metabolism is accompanied by temporary decrease in serum: (A) Calcium (B) Phosphate (C) Iron (D) Sodium

Last Answer : Answer : B

Milk is deficient in (A) Calcium (B) Iron (C) Sodium (D) Potassium

Description : Milk is deficient in (A) Calcium (B) Iron (C) Sodium (D) Potassium

Last Answer : Answer : B

Pregnant women usually become deficient in - (1) Sodium and Calcium (2) Iron and Sodium (3) Calcium and Iron (4) Magnesium and Iron

Description : Pregnant women usually become deficient in - (1) Sodium and Calcium (2) Iron and Sodium (3) Calcium and Iron (4) Magnesium and Iron

Last Answer : (3) Calcium and Iron Explanation: When a woman becomes pregnant her body undergoes many physiological changes. Her hormone levels change not only to support the pregnancy but also to help ... only 15 percent to 20 percent, the risk of developing iron-deficiency anemia increases during pregnancy.

Anaemia is caused because of deficiency of which of the following? (1) Cobalt (2) Iron (3) Sodium (4) Calcium

Description : Anaemia is caused because of deficiency of which of the following? (1) Cobalt (2) Iron (3) Sodium (4) Calcium

Last Answer : (2) Iron Explanation: Anemia is a condition that develops when blood lacks enough healthy red blood cells or hemoglobin. The three main types of anemia are due to blood loss, decreased red blood cell production, and increased red blood cell break down.

Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → Magnesium oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl