Which one of the following does not contain silver? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Which one of the following does not contain silver? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic
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(3) German silver
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Which one of the following does not contain Silver? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Description : Which one of the following does not contain Silver? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Last Answer : (3) German Silver Explanation: Nickel silver, also known as German silver, is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Which one of the following does not contain silver ? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Description : Which one of the following does not contain silver ? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Last Answer : German silver

Which one of the following does not contain Silver ? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Description : Which one of the following does not contain Silver ? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Last Answer :  German Silver

The substance that DOES NOT contain silver is (a) German silver (b) horn silver (c) ruby silver (d) lunar caustic

Description : The substance that DOES NOT contain silver is (a) German silver (b) horn silver (c) ruby silver (d) lunar caustic

Last Answer : Ans:(a)

German silver, an alloy, does not contain the metal – (1) Nickel (2) Zinc (3) Copper (4) Silver

Description : German silver, an alloy, does not contain the metal – (1) Nickel (2) Zinc (3) Copper (4) Silver

Last Answer : (4) Silver Explanation: Nickel silver is a copper alloy with nickel and oft6n. zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver is named for its silvery ... under ASTM B 122) contain significant amounts of zinc, and are sometimes considered a subset of brass.

German silver, an alloy, does not contain the metal (1) Nickel (2) Zinc (3) Copper (4) Silver

Description : German silver, an alloy, does not contain the metal (1) Nickel (2) Zinc (3) Copper (4) Silver

Last Answer : Silver

Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Description : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility

Platinum and silver are corroded by (A) Caustic soda solution (B) Phosphoric acid (C) Sulphuric acid (10%) (D) None of these

Description : Platinum and silver are corroded by (A) Caustic soda solution (B) Phosphoric acid (C) Sulphuric acid (10%) (D) None of these

Last Answer : (D) None of these

Ruby is an oxide of-----? A. silver B. gold C. platinum D. aluminium oxide (Answer)

Description : Ruby is an oxide of-----? A. silver B. gold C. platinum D. aluminium oxide (Answer)

Last Answer : D. aluminium oxide (Answer)

An alloy used in making heating elements for electric heating device is - (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Description : An alloy used in making heating elements for electric heating device is - (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Last Answer : (3) Nichrome Explanation: Nichrome is a mixture of chromium and nickel. Nichrome wire is a great conductor of electricity. Nichrome is used to make heating coils and other types of elements in household appliances.

An example of semiconductor is - (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

Description : An example of semiconductor is - (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

Last Answer : (2) Germanium Explanation: Purified germanium is a semiconductor, with appearance most similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Unlike silicon, it is too reactive to be found naturally on Earth in the free (native) state.

German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Description : German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : (2) Copper, zinc, nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Description : German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Last Answer : (3) zinc, copper and nickel Explanation: German silver is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc.

German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Description : German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Last Answer : (3) zinc, copper and nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... . Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Description : Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Last Answer : (3) Silver Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often zinc. The ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

An alloy used in making heating elements for electric heating device is (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Description : An alloy used in making heating elements for electric heating device is (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Last Answer : Nichrome

An example of semiconductor is (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

Description : An example of semiconductor is (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

Last Answer : Germanium

Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Description : Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Last Answer : Silver

German silver used for making utensils is an alloy of (1) copper, silver, nickel (2) copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Description : German silver used for making utensils is an alloy of (1) copper, silver, nickel (2) copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : copper, zinc, nickel

German silver is an alloy of (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Description : German silver is an alloy of (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Last Answer : zinc, copper and nickel

Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II

Description : Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II

Last Answer : Ans:(b)

German Silver is an alloy of – (1) Copper, Silver and Zinc (2) Copper, Nickel and Zinc (3) Mid-brain (4) Fore-brain

Description : German Silver is an alloy of – (1) Copper, Silver and Zinc (2) Copper, Nickel and Zinc (3) Mid-brain (4) Fore-brain

Last Answer : (2) Copper, Nickel and Zinc Explanation: German Silver (also known as New Silver, Nickel Brass, etc) is a copper alloy with nickel and often zinc.

Which of the following is not contained by the German Silver?

Description : Which of the following is not contained by the German Silver?

Last Answer : Silver

German Silver contains following Metals –

Description : German Silver contains following Metals –

Last Answer : Copper, Zinc, Nickel

Which of the following is not a copper based alloy with nickel? (A) German silver (B) Monel metal (C) Inconel (D) Constantan

Description : Which of the following is not a copper based alloy with nickel? (A) German silver (B) Monel metal (C) Inconel (D) Constantan

Last Answer : (C) Inconel

Nickel and copper are the basic constituents of (A) Hastelloy (B) Monel metal (C) German silver (D) Inconel

Description : Nickel and copper are the basic constituents of (A) Hastelloy (B) Monel metal (C) German silver (D) Inconel

Last Answer : (B) Monel meta

German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Description : German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Last Answer : (B) Copper

Percentage of silver in German silver is(A) 5(B) 10(C) 20(D) 0

Description : Percentage of silver in German silver is (A) 5 (B) 10 (C) 20 (D) 0

Last Answer : (D) 0

Which of the following is not an alloy of tin? (A) White-bearing metal (B) Pewter type metal (C) Soft solder (D) German silver

Description : Which of the following is not an alloy of tin? (A) White-bearing metal (B) Pewter type metal (C) Soft solder (D) German silver

Last Answer : (D) German silver

German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Description : German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Last Answer : (A) Copper, nickel and zinc

Which of the following is a light alloy? (A) Monel metal (B) Dow metal (C) German silver (D) Babbitt meta

Description : Which of the following is a light alloy? (A) Monel metal (B) Dow metal (C) German silver (D) Babbitt meta

Last Answer : (B) Dow metal

An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called(A) Constantan(B) Kanthal(C) Chromel(D) German silver

Description : An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called (A) Constantan (B) Kanthal (C) Chromel (D) German silver

Last Answer : (A) Constantan

The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Description : The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Last Answer : (B) Tungsten

Nickel and molybdenum are the basic constituents of (A) Hastelloy (B) German silver (C) Inconel (D) Solder

Description : Nickel and molybdenum are the basic constituents of (A) Hastelloy (B) German silver (C) Inconel (D) Solder

Last Answer : (A) Hastelloy

Which of the following is not an alloy of copper? (A) Muntz metal(B) Admiralty gun metal(C) German silver(D) Pewter metal

Description : Which of the following is not an alloy of copper? (A) Muntz metal (B) Admiralty gun metal (C) German silver (D) Pewter metal

Last Answer : (D) Pewter metal

German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) LeadGerman silver is an alloy of copper, nickel and(A) Zinc(B) Silver(C) Tin(D) Lead

Description : German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) Lead

Last Answer : (A) Zinc

German Silver is an alloy of------? A. Zn + Ni B. Cu + Zn C. Cu + Ni (Answer) D. Cu + Sn E. None of these

Description : German Silver is an alloy of------? A. Zn + Ni B. Cu + Zn C. Cu + Ni (Answer) D. Cu + Sn E. None of these

Last Answer : C. Cu + Ni (Answer)

Fluorescent dyes are added in detergents to (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics (B) Attain distinctiveness from other brands (C) Act as tarnish inhibitor for metals like German silver (D) None of these

Description : Fluorescent dyes are added in detergents to (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics (B) Attain distinctiveness ... brands (C) Act as tarnish inhibitor for metals like German silver (D) None of these

Last Answer : (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics

Out of the following, which will fracture most readity, when hit with a hard hammer? (A) Brass (B) Bronze (C) German silver (D) Cast iron

Description : Out of the following, which will fracture most readity, when hit with a hard hammer? (A) Brass (B) Bronze (C) German silver (D) Cast iron

Last Answer : Option D

Which of the following is not contained by the German Silver

Description : Which of the following is not contained by the German Silver

Last Answer : Silver

German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Last Answer : Answer: Option C

Which color precipitates when caustic soda solution is added to iron salt solution ?

Description : Which color precipitates when caustic soda solution is added to iron salt solution ?

Last Answer : Reddish brown precipitates .

Sodium Carbonate is commonly known as - (1) Baking Soda (2) Washing Soda (3) Caustic Soda (4) Caustic Potash

Description : Sodium Carbonate is commonly known as - (1) Baking Soda (2) Washing Soda (3) Caustic Soda (4) Caustic Potash

Last Answer : (2) Washing Soda Explanation: Sodium carbonate (Na2CO3) is also known as washing soda, soda ash and soda crystals. It is a salt of carbonic acid, a chemical that produces a wide range of salts collectively known as carbonates. It can be used to remove stubborn stains from laundry.

The contact process is involved in the manufacture of - (1) Nitric acid (2) Sulphuric acid (3) Ammonia (4) Caustic soda

Description : The contact process is involved in the manufacture of - (1) Nitric acid (2) Sulphuric acid (3) Ammonia (4) Caustic soda

Last Answer : (2) Sulphuric acid Explanation: It is also a central substance in the chemical industry. It is widely produced by contact process. Now days, sulphuric acid is prepared by contact process all over ... process is based upon the catalytic oxidation of sulfur dioxide (SO2) to sulfur trioxide (SO3).

Acetic acid is know as - (1) Caustic soda (2) Spirit (3) Baking soda (4) Vinegar

Description : Acetic acid is know as - (1) Caustic soda (2) Spirit (3) Baking soda (4) Vinegar

Last Answer : (4) Vinegar Explanation: Acetic acid (CH3COOH) also called ethanoic acid, the most important of the carboxylic acids. Vinegar is roughly 3-9% acetic acid by volume making acetic acid the main component of vinegar apart from water.

Sodium bicarbonate is commercially known as – (1) Washing soda (2) Baking soda (3) Caustic soda (4) Soda lime

Description : Sodium bicarbonate is commercially known as – (1) Washing soda (2) Baking soda (3) Caustic soda (4) Soda lime

Last Answer : (2) Baking soda Explanation: Baking Soda is Sodium bicarbonate or sodium hydrogen carbonate. It is primarily used in cooking (baking), as a leavening agent. It reacts with acidic components in batters, ... and grain in pancakes, cakes, quick breads, soda bread, and other baked and fried foods.

The common name for the com-pound having formal NaOH is – (1) Caustic soda (2) Caustic potash (3) Soda ash (4) Sodium hydroxide

Description : The common name for the com-pound having formal NaOH is – (1) Caustic soda (2) Caustic potash (3) Soda ash (4) Sodium hydroxide

Last Answer : (1) Caustic soda Explanation: Sodium hydroxide, also known as lye or caustic soda, has the molecular formula NaOH and is a highly caustic metallic base. It is a white solid available in pellets ... manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.

By-product obtained by soap industry is – (1) Caustic soda (2) Glycerol (3) Naphthalene (4) Caustic potash

Description : By-product obtained by soap industry is – (1) Caustic soda (2) Glycerol (3) Naphthalene (4) Caustic potash

Last Answer : (2) Glycerol Explanation: Glycerol forms the backbone of triglyeerides, and is chiefly produced by saponification of fats as a byproduct of soapmaking. It is also a byproduct of the production of ... This form of crude glycerin is often dark in appearance with a thick, syrup-like consistency.

Soap is prepared by boiling caustic soda with – (1) Alcohol (2) Kerosene oil (3) Glycerine (4) Fats

Description : Soap is prepared by boiling caustic soda with – (1) Alcohol (2) Kerosene oil (3) Glycerine (4) Fats

Last Answer : (4) Fats Explanation: The most basic kind of soap is made from cuastic soda and animal fat. The two are heated together, and then cooled. The process is called "saponification". In technical ... hydrolysis of triglyeerides which are esters of fatty acids, to form the sodium salt, of a carboxylate.

The law of multiple proportions is illustrated by the two compounds [NCERT 1972] (A) Sodium chloride and sodium bromide (B) Ordinary water and heavy water (C) Caustic soda and caustic potash (D) Sulphur dioxide and sulphur trioxide

Description : The law of multiple proportions is illustrated by the two compounds [NCERT 1972] (A) Sodium chloride and sodium bromide (B) Ordinary water and heavy water (C) Caustic soda and caustic potash (D) Sulphur dioxide and sulphur trioxide

Last Answer : (D) Sulphur dioxide and sulphur trioxide