The metal having lowest melting point?

The metal having lowest melting point?
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Mercury
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Description : Which of the following metal has the lowest melting point? (1) Lead (2) Lithium (3) Potassium (4) Sodium

Last Answer : (3) Potassium Explanation: Here, Potassium has the lowest melting point in the given options i.e. 63.5° C. Helium has the lowest melting point of -272.2° C.

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Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process? (A) Galvanising (B) Tinning (C) Sherardizing (D) None of these

Description : Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process? (A) Galvanising (B) Tinning (C) Sherardizing (D) None of these

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Description : What kind of solid tends to to have the lowest melting point?

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Description : Which of the following elements has the lowest melting point? (1) Bromine (2) Zinc (3) Calcium (4) Lead

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Which of the following has the highest density and the lowest melting point? (A) Stainless steel (B) Titanium (C) Lead (D) Aluminium

Description : Which of the following has the highest density and the lowest melting point? (A) Stainless steel (B) Titanium (C) Lead (D) Aluminium

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Description : Which of the STABLE Group IA elements will have the lowest melting point?

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Description : What kind of solid tends to have the solid lowest melting points?

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For photoelectric effect to take place, the metal used as the cathode should have – (1) high melting point (2) low melting point (3) low work function (4) low resistance

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Safety fuse wire used in domestic electrical appliances is made of metal of low (1) Resistance (2) Melting point (3) Specific gravity (4) Conductance

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Description : Which of the following metal has least melting point?

Last Answer : Mercury

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Which of the following is not property of sodium metal? a) lustre b)hard c)low melting point d)solid at room temperature.

Description : Which of the following is not property of sodium metal? a) lustre b)hard c)low melting point d)solid at room temperature.

Last Answer : c)low melting point

In arc welding, Argon is used because of its (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Description : In arc welding, Argon is used because of its (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

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For photoelectric effect to take place, the metal used as the cathode should have______ (1) high melting point (2) low melting point (3) low work function (4) low resistance

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Description : Alloy having low melting point?

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The points noted by arrows are melting and boiling points of the metal zinc and magnasium. `Delta G^(0)` as a function of temperature for some reactio

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Is Melting coin being heated and turn black this is used as a test for metal a chemical or a physical change?

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Ultra purification of a metal is done by (1) slugging (2) zone melting (3) smelting (4) leaching

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Ultra purification of a metal is done by : (1) slugging (2) zone melting (3) smelting (4) leaching

Description : Ultra purification of a metal is done by : (1) slugging (2) zone melting (3) smelting (4) leaching

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Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions?

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In which of the following complexes the metal ion has the lowest ionic radius ?

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Among the following metal carbonyls , the C-O bond order is lowest in :

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When brazing the lowest effective brazing temperatures possible should be used to minimize the effects of heat on the base metal?

Description : When brazing the lowest effective brazing temperatures possible should be used to minimize the effects of heat on the base metal?

Last Answer : Yes, that is proper technique.

Which has the lowest Prandtl number? (A) Liquid metal (B) Aqueous solution (C) Water (D) Lube oi

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Within a given period of the periodic table, the element with the lowest ionization energy is: w) transition metal x) alkali metal y) halogen z) noble gas

Description : Within a given period of the periodic table, the element with the lowest ionization energy is: w) transition metal x) alkali metal y) halogen z) noble gas

Last Answer : ANSWER: X -- ALKALI METAL

Lead pipe is (A) Especially resistant to solutions containing H2SO4 (B) Usually joined by burning (e.g. by melting to adjacent pieces with a torch) (C) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain (D) All (A), (B) and (C)

Description : Lead pipe is (A) Especially resistant to solutions containing H2SO4 (B) Usually joined by burning (e.g. by melting to adjacent pieces with a torch) (C) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C

The filament of an electric lamp becomes white hot but the lead-in wires holding the filament are only slightly heated because they (a) have smaller current passing through them (b) have very low resistance (c) have higher melting point (d) are made of black iron

Description : The filament of an electric lamp becomes white hot but the lead-in wires holding the filament are only slightly heated because they (a) have smaller current passing through them (b) have very low resistance (c) have higher melting point (d) are made of black iron

Last Answer : Ans:(b)

The material used for a fuse wire should have (a) high resistivity (b) high ductility (c) high melting point (d) low melting point

Description : The material used for a fuse wire should have (a) high resistivity (b) high ductility (c) high melting point (d) low melting point

Last Answer : Ans:(d)

Metals are good conductors of electricity because (a) The contain free electrons (b) The atoms are lightly packed (c) They have high melting point (d) All of the above

Description : Metals are good conductors of electricity because (a) The contain free electrons (b) The atoms are lightly packed (c) They have high melting point (d) All of the above

Last Answer : Ans:(b)

The point at which the solid, liquid and gaseous forms of a substance co-exist is called its (a) boiling point (b) melting point (c) triple point (d) freezing point

Description : The point at which the solid, liquid and gaseous forms of a substance co-exist is called its (a) boiling point (b) melting point (c) triple point (d) freezing point

Last Answer : Ans:(c)

Which of the following characteristics is not typical of ionically bonded crystals? (a) Has no sharp melting point (b) Cleave into definite cleavage planes (c) Conducts when melted (d) Shatters when crystal is distorted

Description : Which of the following characteristics is not typical of ionically bonded crystals? (a) Has no sharp melting point (b) Cleave into definite cleavage planes (c) Conducts when melted (d) Shatters when crystal is distorted

Last Answer : Ans:(a)

The melting point of copper is (a) 1083°C (b) 732°C (c) 327°C (d) 1835°C

Description : The melting point of copper is (a) 1083°C (b) 732°C (c) 327°C (d) 1835°C

Last Answer : Ans:(a)