A solid in which there is no regular arrangement of molecules is a) Amorphous b) Crystalline c) Copper d) None of above

A solid in which there is no regular arrangement of molecules is
a) Amorphous b) Crystalline c) Copper d) None of above
by

1 Answer

Answer :

a) Amorphous
by

Related questions

A solid is which atoms are in a regular order is called a) Crystalline solid b) Amorphous solid c) Polymeric solid d) Glassy solid

Description : A solid is which atoms are in a regular order is called a) Crystalline solid b) Amorphous solid c) Polymeric solid d) Glassy solid

Last Answer : a) Crystalline solid

Which of the following is a crystalline solid? a) Copper b) NaCl c) Zirconia d) All of abovee solid? a) Copper b) NaCl c) Zirconia d) All of above

Description : Which of the following is a crystalline solid? a) Copper b) NaCl c) Zirconia d) All of above

Last Answer : d) All of above

Molecules of a solid possess a) Rotational motion b) Vibrational motion c) Translational motion d) All of above

Description : Molecules of a solid possess a) Rotational motion b) Vibrational motion c) Translational motion d) All of above

Last Answer : b) Vibrational motion

Charcoal is (a) Amorphous (b) Crystalline (c) Hygroscopic (d) None of these

Description : Charcoal is (a) Amorphous (b) Crystalline (c) Hygroscopic (d) None of these

Last Answer : Ans:(a)

Diamond is the form of carbon that is (a) Crystalline (b) Amorphous (c) Chemical (d) Alkaline

Description : Diamond is the form of carbon that is (a) Crystalline (b) Amorphous (c) Chemical (d) Alkaline

Last Answer : Ans:(a)

Diamond is the form of carbon that is - (1) Crystalline (2) Amorphous (3) Chemical (4) Alkaline

Description : Diamond is the form of carbon that is - (1) Crystalline (2) Amorphous (3) Chemical (4) Alkaline

Last Answer : (1) Crystalline Explanation: Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.

Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. (A) Nylon (B) Polyacrylonitrile (C) Polypropylene (D) Polyester

Description : Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. (A) Nylon (B) Polyacrylonitrile (C) Polypropylene (D) Polyester

Last Answer : (B) Polyacrylonitrile

. The physical state in which polymers exist is (A) Melts & rubber like state (B) Amorphous glassy state (C) Partially crystalline state (D) All (A), (B) and (C)

Description : . The physical state in which polymers exist is (A) Melts & rubber like state (B) Amorphous glassy state (C) Partially crystalline state (D) All (A), (B) and (C)

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

Common house hold glass (i.e., soda-lime glass) is a/an __________ material. (A) Fully crystalline (B) Partly crystalline (C) Amorphous

Description : Common house hold glass (i.e., soda-lime glass) is a/an __________ material. (A) Fully crystalline (B) Partly crystalline (C) Amorphous

Last Answer : (B) Partly crystalline

Compare the properties of amorphous and crystalline silicon

Description : Compare the properties of amorphous and crystalline silicon

Last Answer : morphous silicon It is a brown powder It does not conduct electricity at low temperatures. It is more reactive than crystalline silicon When heated in air, it oxidizes at the surface level ... electricity It is less reactive than amorphous silicon It does not burn in air even when heated

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the (A) Low impact strength (B) High flexibility (C) Better finish and surface appearance (D) High plastic deformation

Description : While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the (A) Low impact strength (B) High flexibility (C) Better finish and surface appearance (D) High plastic deformation

Last Answer : A) Low impact strength

Viscoelastic behaviour is observed in __________ materials. (A) Non-crystalline organic polymeric (B) Ceramic (C) All crystalline (D) All amorphous

Description : Viscoelastic behaviour is observed in __________ materials. (A) Non-crystalline organic polymeric (B) Ceramic (C) All crystalline (D) All amorphous

Last Answer : Non-crystalline organic polymeric

The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it complex (c) the climatic conditions are not suitable for exploitation of minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Description : The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Last Answer : Ans: (b)

The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and made it complex (c) the climatic conditions are not suitable for exploitation of minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Description : The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Last Answer : Ans: (b)

Why is it that the Himalayan region is poor in mineral resources? (a) Displacement of rock strata has disturbed the arrangement of rocks and made it complex (b) It is made up of crystalline rock (c) the terrain makes exploitation of minerals difficult (d) The climatic conditions are not suitable, for exploitation of minerals

Description : Why is it that the Himalayan region is poor in mineral resources? (a) Displacement of rock strata has disturbed the arrangement of rocks and made it complex (b) It is made up of ... makes exploitation of minerals difficult (d) The climatic conditions are not suitable, for exploitation of minerals

Last Answer : Ans: (a)

A smallest three dimensional part of a crystal lattice is called. a) A particle b) A molecules c) A unit cell d) An atom

Description : A smallest three dimensional part of a crystal lattice is called. a) A particle b) A molecules c) A unit cell d) An atom

Last Answer : c) A unit cell

The conventional current is due to the flow of a. atoms and molecules b. positive charges c. negative charges d. both b and c

Description : The conventional current is due to the flow of a. atoms and molecules b. positive charges c. negative charges d. both b and c

Last Answer : b. positive charges

What is the regular maintenance done on batteries?

Description : What is the regular maintenance done on batteries?

Last Answer : Every week the cell voltage is checked. The specific gravity is monitored using the battery hydrometer. The terminals are lubricated to prevent corrosion. Sometimes load tests are done on the batteries. Ask E/O also for more information.

Thevelocityfactor of a transmissionline a. depends on the dielectric constant of the material used b. increases the velocity along the transmission line c. is govern by the skin effect d. is higher for a solid dielectric than for air

Description : Thevelocityfactor of a transmissionline a. depends on the dielectric constant of the material used b. increases the velocity along the transmission line c. is govern by the skin effect d. is higher for a solid dielectric than for air

Last Answer : a. depends on the dielectric constant of the material used

X-rays can penetrate several ____ into a solid matter. a) millimeters b) meters c) centimeters d) kilometers

Description : X-rays can penetrate several ____ into a solid matter. a) millimeters b) meters c) centimeters d) kilometers

Last Answer : c) centimeters

Which of the following is polymeric solid? a) Nylon b) Plastic c) Polythene d) All of above

Description : Which of the following is polymeric solid? a) Nylon b) Plastic c) Polythene d) All of above

Last Answer : d) All of above

An element which has a definite volume and shape is called: a) Liquid b) Solid c) Gas d) Vapour

Description : An element which has a definite volume and shape is called: a) Liquid b) Solid c) Gas d) Vapour

Last Answer : b) Solid

A magnetic field exists around (a) iron (b) copper (c) aluminium (d) moving charges

Description : A magnetic field exists around (a) iron (b) copper (c) aluminium (d) moving charges

Last Answer : (d) moving charges

Asingle fiber can handle asmanyvoice channel as a. a pair of copper conductors b. a1500-pair cable c. a 500-pair cable d. a 1000-pair cable

Description : Asingle fiber can handle asmanyvoice channel as a. a pair of copper conductors b. a1500-pair cable c. a 500-pair cable d. a 1000-pair cable

Last Answer : b. a1500-pair cable

The most suitable metal for making permanent magnet is a) Iron b) Steel c) Silver d) Copper

Description : The most suitable metal for making permanent magnet is a) Iron b) Steel c) Silver d) Copper

Last Answer : a) Iron

The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Description : The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Last Answer : d. silicon

Which one of the following materials is useful for making bulb filaments? a. aluminum b. Iron c. Copper d. Tungsten

Description : Which one of the following materials is useful for making bulb filaments? a. aluminum b. Iron c. Copper d. Tungsten

Last Answer : a. aluminum

Which one is the best material for making connecting wires? a. Iron b. Tungsten c. Silver d. Copper

Description : Which one is the best material for making connecting wires? a. Iron b. Tungsten c. Silver d. Copper

Last Answer : d. Copper

Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Description : Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Last Answer : ANSWER: Z -- HAS A COMPLETELY REGULAR ATOMIC OR MOLECULAR STRUCTURE

White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used fo

Description : White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used fo

Last Answer : White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a ... has only unpaired electron in `pi` molecular orbital.

White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used fo

Description : White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used fo

Last Answer : White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a ... metallic bonds D. ionic, covalent and Hydrogen bonds

White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used fo

Description : White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used fo

Last Answer : White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas ... 3)d` D. V - shape, `sp^(3)`

A crystalline solid X reacts with dilute HCl to liberate a gas Y. The gas Y decolourises acidified `KMnO_(4)`. When a gas Z is slowly passed into aque

Description : A crystalline solid X reacts with dilute HCl to liberate a gas Y. The gas Y decolourises acidified `KMnO_(4)`. When a gas Z is slowly passed into aque

Last Answer : A crystalline solid X reacts with dilute HCl to liberate a gas Y. The gas Y decolourises acidified `KMnO_(4)`. When ... 2)S` D. `Na_(2)SO_(4),SO_(2)`

What naturally occurring inorganic crystalline solid is a?

Description : What naturally occurring inorganic crystalline solid is a?

Last Answer : a mineral

Is a marshmallow a crystalline solid?

Description : Is a marshmallow a crystalline solid?

Last Answer : Marshmallows are amorphous solids.

Glass is - (1) Super cooled liquid (2) Crystalline solid (3) Liquid crystal (4) None of these

Description : Glass is - (1) Super cooled liquid (2) Crystalline solid (3) Liquid crystal (4) None of these

Last Answer : (1) Super cooled liquid Explanation: Glass is sometimes called a Super cooled liquid because it does not form a crystalline structure, but instead forms an amorphous solid that allows molecules in the material to continue to move.

Pick out the correct statement. (A) Plastics are good conductors of heat and electricity (B) All the polymers are highly crystalline in nature (C) Polymers can be vaporised by heating to a very high temperature (D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

Description : Pick out the correct statement. (A) Plastics are good conductors of heat and electricity (B) All the polymers are highly crystalline in nature (C) Polymers can be vaporised by heating to ... D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

Last Answer : (D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

The behaviour of visco-elastic material is time dependent. This behaviour is common in __________ materials. (A) Non-crystalline solid (B) Crystalline (C) Rubbery (D) Non-crystalline organic polymeric

Description : The behaviour of visco-elastic material is time dependent. This behaviour is common in __________ materials. (A) Non-crystalline solid (B) Crystalline (C) Rubbery (D) Non-crystalline organic polymeric

Last Answer : (D) Non-crystalline organic polymeric

Visco-elastic behaviour of materials which is time dependent is common in (A) Plastics (B) Crystalline solid (C) Non-crystalline solids (D) Non-crystalline organic polymer

Description : Visco-elastic behaviour of materials which is time dependent is common in (A) Plastics (B) Crystalline solid (C) Non-crystalline solids (D) Non-crystalline organic polymer

Last Answer : (D) Non-crystalline organic polymer

Predict the entropy change in- (i) A liquid crystallizes into solid (ii) Temperature of a crystalline solid raised from 0K to 115K.

Description : Predict the entropy change in- (i) A liquid crystallizes into solid (ii) Temperature of a crystalline solid raised from 0K to 115K.

Last Answer : Ans. (i) Entropy decreases because molecules attain an ordered state. (ii) Entropy increases because from 0K to 115K average kinetic of moleculesincreases.

Which of the following statements is False about acetamide? (a) reacts with Br2/NaOH to form tertiary amine (b) undergoes acid-hydrolysis to form acetic acid (c) undergoes dehydration with P2O5 to form a nitrile (d) is a white crystalline solid, soluble in water

Description : Which of the following statements is False about acetamide? (a) reacts with Br2/NaOH to form tertiary amine (b) undergoes acid-hydrolysis to form acetic acid (c) undergoes dehydration with P2O5 to form a nitrile (d) is a white crystalline solid, soluble in water

Last Answer : reacts with Br2/NaOH to form tertiary amine

The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is not possible without external work (C) Gases having same reduced properties behaves similarly (D) None of these

Description : The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is ... without external work (C) Gases having same reduced properties behaves similarly (D) None of these

Last Answer : (A) Heat capacity of a crystalline solid is zero at absolute zero temperature

The two elements required to form substitutional solid solution should not have (A) Same crystalline structure (B) Same valency (C) Widely differing electronegativity (D) Same atomic sizes

Description : The two elements required to form substitutional solid solution should not have (A) Same crystalline structure (B) Same valency (C) Widely differing electronegativity (D) Same atomic sizes

Last Answer : C) Widely differing electronegativity

Non-volatile heavy metals in kiln are fixed into ____ a) Clinker’s crystalline structure b) Fumes c) Solid lump d) Slag

Description : Non-volatile heavy metals in kiln are fixed into ____ a) Clinker’s crystalline structure b) Fumes c) Solid lump d) Slag

Last Answer : Clinker’s crystalline structure

The double helix is a structural arrangement associated with _____. a. A Polysaccharide. b. The DNA Molecule. c. Glucose Molecules In Starch. d. A Protein.

Description : The double helix is a structural arrangement associated with _____. a. A Polysaccharide. b. The DNA Molecule. c. Glucose Molecules In Starch. d. A Protein.

Last Answer : b. The DNA Molecule.

In many proteins the hydrogen bonding produces a regular coiled arrangement which is called as (A) β-Helix (B) α-Helix (C) Both (A) and (B) (D) Spiral

Description : In many proteins the hydrogen bonding produces a regular coiled arrangement which is called as (A) β-Helix (B) α-Helix (C) Both (A) and (B) (D) Spiral

Last Answer : Answer : B

In many proteins the hydrogen bonding produces a regular coiled arrangement called (A) α-helix (B) β-helix (C) Both (A) and (B) (D) None of these

Description : In many proteins the hydrogen bonding produces a regular coiled arrangement called (A) α-helix (B) β-helix (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Graphite carbon atoms form planar layers in what regular geometric arrangement?

Description : Graphite carbon atoms form planar layers in what regular geometric arrangement?

Last Answer : ANSWER: HEXAGONAL 

An officer wishing to arrange his men in a solid square found by his first arrangement that he had 39 men left over. He then started increasing the number of men on a side by one, but found that 50 additional men would be needed to complete a new square.How many men did the officer have? -Riddles

Description : An officer wishing to arrange his men in a solid square found by his first arrangement that he had 39 men left over. He then started increasing the number of men on a side by one, but found that 50 additional men would be needed to complete a new square.How many men did the officer have? -Riddles

Last Answer : The officer had 1975 men. When he formed a square measuring 44 by 44, he had 39 men over. When he tried to form a square 45 x 45, he was 50 men short.