Description : Ordinary glass is not a/an (A) Amorphous isotropic material (B) Supercooled liquid (C) Material with sharp definite melting point (D) Electrical insulator
Last Answer : (C) Material with sharp definite melting point
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
Description : Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid
Last Answer : B) Has low melting point
Description : Is not a major component of magma A. partially melted mineral crystals B. water C. dissolved gases D. lava?
Last Answer : Water is not a major component of melted rock. The heat hasturned any water into steam.
Description : Which one of the following is an example of chemical weathering? w) the splitting of a boulder x) the grinding of pebbles into sand y) the cleavage of a feldspar crystal z) the rusting of hornblende
Last Answer : ANSWER: Z -- THE RUSTING OF HORNBLENDE
Description : Covalent network crystals have-------? A. higher melting point then molecular crystals (Answer) B. lower melting point then molecular crystals C. discrete molecules linked by Van der waals forces D. hydrogen bonding
Last Answer : A. higher melting point then molecular crystals (Answer)
Description : What is the melting point of washing soda crystals?
Last Answer : Feel Free to Answer
Description : Through a point in a loaded soil mass, there exists typical planes mutually orthogonal on which the stress is wholly normal and no shear stress acts, if is (A) 1 (B) 2 (C) 3 (D) 4
Last Answer : Answer: Option C
Description : A mineral breaks along preferred directions is called A) cleavage B) hardness C) crystal form D) fracture
Last Answer : cleavage
Description : Why is it a poor practice to use a high wattage soldering iron when soldering or desoldering components on a printed circuit board? A. The circuit board will blister and warp. B. The foil wire bonded ... board has a low melting temperature. D. The solder is kept to a dull heat dissipating finish.
Last Answer : Answer: B
Description : If the crystal is moistened with water which colour of crystals appear---- (a) Green (b) Red (c) Blue (d) Yellow
Last Answer : (c) Blue
Description : Pick out the wrong statement. (A) Swenson-Walker crystalliser is a batch crystalliser (B) Super saturation of the solution is the driving potential for a crystal growth (C) The ... a solution is called mother liquor (D) The first stage of crystal formation is called nucleation
Last Answer : (A) Swenson-Walker crystalliser is a batch crystalliser
Description : Six (6) MHz crystal oscillator has a stability of 1 part in 106. The largest frequency error expected of this crystals A) 0.06 Hz B) 0.6 Hz C) 6 Hz D) 60 Hz.
Last Answer : C) 6 Hz
Description : What should I do when a CFL light bulb shatters?
Last Answer : see this link
Description : Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays
Last Answer : (A) Polymeric fibres are never produced by addition polymerisation
Description : Which of the following does not have a sharp melting point? (A) Thoria (B) Glass (C) Ice (D) Pig iron
Last Answer : (B) Glass
Description : What are a list of chemical elements and alloys that can be melted in a typical residential food oven?
Last Answer : I’ve got a slug of a Bismuth Cadmium, Lead, Tin alloy that melts at about 150F , 65C. It melts in hot water. It’s toxic so it’s probably not a good idea to touch it or use kitchen tools.
Description : Which of the following properties of a solid is not dependent on crystal imperfection? (A) Ductility (B) Semi-conductivity (C) Melting point (D) Yield stress
Last Answer : (C) Melting point
Description : If a substance forms crystals when it solidifies its melting and freezing points are the same?
Last Answer : Melting and freezing points are identical.
Description : Why do minerals cleave only in specific directions?
Last Answer : Cleavage depends on the arrangement and bonding of molecules. Minerals tend to split among the planes of weak bonds between their atoms. In specifying the cleavage properties of a mineral, scientists count the number of nonparallel planes of cleavage, and the angle between those cleavage planes.
Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide
Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide
Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide
Description : Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have (A) High electrical insulation properties (B) Sharp melting points (C) Low co-efficient of thermal expansion (D) Compressive strength much greater than their tensile strengths
Last Answer : (B) Sharp melting points
Description : Deuterostome condition and indeterminate radial cleavage are characteristics of
Last Answer : Deuterostome condition and indeterminate radial cleavage are characteristics of A. Chordates and ... D. Chordates, arthropods, and annelids
Description : Which of the following characteristics does not belong to cleavage
Last Answer : Which of the following characteristics does not belong to cleavage A. Decrease in size of ... of very short duration D. Differention of blastomeres
Description : Some of the characteristics of Bt cotton are (a) long fibre and resistance to aphids (b) medium yield, long fibre and resistance to beetle pests (c) high yield and production of toxic protein crystals which kill dipteran pests (d) high yield and resistance to bollworms.
Last Answer : (d) high yield and resistance to bollworms.
Description : What is a typical spacing between atoms in a crystal, e.g., copper or rock salt? w) 0.1 Angstroms x) 2 Angstroms y) 20 Angstroms z) 100 Angstroms
Last Answer : ANSWER: B -- 2 ANGSTROMS
Description : Enantiomers have which of the following characteristics? (a) rotate ordinary light (b) have the same melting point (c) are superimposable mirror images (d) react with optically active molecules at the same rate
Last Answer : have the same melting point
Description : In AM, the carrier carries ____________ intelligence. A. no B. difference C. distorted D. same
Last Answer : A. no
Description : Typical waste gases temperature from glass melting furnace a) 1000-1550 oC b) 800-950 oC c) 650–750 oC d) 760-815 oC
Last Answer : 1000-1550 oC
Description : If two atoms are bonded to a central atom with no ione pairs how will they be arranged?
Last Answer : Need answer
Description : Can you give me a scientific explanation of why people cut/ physically harm themselves or listen to distorted music?
Last Answer : Did I overdue it on the explanation a little?
Description : Can anyone help me with my distorted body-image?
Last Answer : get professional help – see a specialist-
Description : please help, coxcomb leaves are curled and distorted?
Last Answer : We had extreme weather problems this year. It effected a lot of plants. We have to dig them up every year up here. When you do amend the soil with bone meal, a little lime and horse or cow manure....mix well and plant again next year.
Description : Why not a single letter of the Holy Quran has been distorted even after 1400 years ?
Last Answer : Quran is the holy word of Allah. There is no mistake in this book. And since there is no mistake in this book, not a single letter of it has been distorted.
Description : What is the distorted form of government according to Aristotle ?
Last Answer : According to Aristotle, the distorted form of government is democracy.
Description : Why is the signal distorted ?
Last Answer : Noise increases
Description : Match the following. `{:("List-I","List-II"),((A) XeF_(4),(1) "Distorted octahedral"),((B)XeF_(6),(2) "Tetrahedral"),((C )XeO_(3),(3)"Square planar"),
Last Answer : Match the following. `{:("List-I","List-II"),((A) XeF_(4),(1) "Distorted octahedral"),((B)XeF_(6),(2) "Tetrahedral" ... ` D. `{:(A,B,C,D),(2,4,1,3):}`
Description : What does distorted mean?
Last Answer : distorted means that something is not working right
Description : What type of map becomes more distorted?
Last Answer : All two dimensional (flat) maps (called projections) of the surface of the Earth have distortion. Several projections are used to create such maps and each is better for some uses and not others. There is no most distorted projection. It depends on the intended use for the map.
Description : What are 3 ways mannerist artist distorted reality in their works?
Last Answer : What is the answer ?
Description : What is the impact of advancing glaciers on the rings of trees? (1) They become concentric (2) Their shape is distorted (3) They become widely spaced (4) They are immune to this change
Last Answer : (2) Their shape is distorted Explanation: Advancing glaciers distort the shape of the rings of trees.
Description : When a vehicle passes, TV reception gets distorted. This is because – (1) metal reflects radiowaves (2) spark plug creates electromagnetic disturbances (3) vehicle pollution affects the performance of the TV components (4) modern vehicles use electro ignition system
Last Answer : (2) spark plug creates electromagnetic disturbances Explanation: This is caused due to the interference caused by the electromagnetic waves generated by a passing vehicle. These waves were within the same ... in which two waves superimpose to form a resultant wave of greater or lower amplitude.
Description : A small gap is left at the joints of rails in a railway track to – (1) avoid the tracks being distorted due to seasonal temperature variation (2) avoid the heating of tracks to high temperature (3) control the speed of train (4) keep the rails equidistant
Last Answer : (1) avoid the tracks being distorted due to seasonal temperature variation Explanation: A small gap is left at the joints of rails in a railway track to provide space for the expansion of rail pieces when the temperature rises during summer.
Description : Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than ... and cannot easily be distorted D. analog signals are continuous and not easily distorted.
Last Answer : A. repeaters regenerate digital pulses and remove distorstion
Description : Which theory view that the liberal idea of individual rights is the product of a distorted vision of human nature and social life of the individuals? (a) Marxian (b) Gandhian (c) Communitarian (d) None of these
Last Answer : (a) Marxian