Which of the following is a good conductor of electric current? plastic silver wood rubber

Q: Chemistry deals with the study of the relationship between electrical and chemical ?:energy is…

A:

Q: A device that does not use an electric current to produce motion is called an Electric Motor. O True…

A: Electric motor convert electric current to mechanical energy.

Q: Which substances conduct electricity?

A: The conductance of electricity in a substance is a measure of how easily the flow of electricity…

Q: Diamond is a strong and hard material that does not conduct electricity. Verify this statement.

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Q: Explain how a geologist might use the flame test to identify a cation from different mineral…

A: A question based on qualitative analysis, which is to be accomplished.

Q: Assuming the combustion of hydrogen gas provides three times as much energy per gram as gasoline,…

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: 8. Most elements on the periodic table at 25°C and 1 atm are (choose all that apply) a. conductors…

A: All the chemical elements of the periodic table can be broadly divided into three categories,…

Q: Albert Szent-Gyorgi, a pioneer in early photosynthesis research, stated, “What drives life is a…

A: Given:-             What drives life is a little electric current, kept up by the sunshine

Q: A baby's spoon with a surface area of 6.25 cm² is plated with silver from AgNO3 using a current 2 A…

A: Given : Surface are of spoon = 6.25 cm2  Current = 2 A And time = 2 hr 25 min = 145 mins…

Q: Benefits

A: Nano Medicine is defined as the field of medicine that aims to use the properties and physical…

Q: Which of the following is part O glass collection tubes a power source thormo meter

A: Hofmann apparatus used for  electrolysing  water and  it is invented  by August  Wilhelm Von…

Q: e) ВНз + H20 f) MgCl2 +

A: Write the balanced chemical reaction between a) HCL + NaOH b)CH3COOH + H2O

Q: Electroplating a metal is an example of physical change. Select one: O True O False

A: Electroplating of a metal : Electroplating refers to : electro + plating  It defines the process of…

Q: Which term listed is a property of a non-metal?  high density brittle shiny  conducts electricity

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Q: Which of the following is true about heavy metals and their environmental impact? O a. Coffee and…

A: A metal is a substance with a glossy look that conducts electricity and heat reasonably effectively…

Q: Which of these physical changes would require the liberation of energy? a. condensation of steam to…

A: Physical change - A change in which composition of substance does not change, only state of…

Q: b,PO, wi (aq) (s) (g)

A: Given compound is Rb3PO4 . Chemical name of  Rb3PO4  is Trirubidium phosphate .

Q: Which of the following is NOT a part of filtration systems? Filter paper Funnel O Condenser

A: To find: Which of the given is not a part of filtration system

Q: la. Diamond, graphite, and copper have very different properties but are made of networks of atoms.…

A: Metals have a shiny surface and a high melting point.

Q: one of the following is not classified as native element a. diamond b. pyrite c. graphite d.…

A: The element which occurs in nature in uncombined form is known as the native element. Hence the…

Q: Part 3: Gas Discharge Tubes Name of gas Line colors present Mercury Nitrogen Neon Hydrogen

A: The line colour present for the gases in gas discharge tube are unique for a particular gases.

Q: Hydrogen peroxide (H2O2) can be classified as being a  a) mixture and impure  b) mixture and pure…

A: Given that -  Hydrogen peroxide : H2O2    Hydrogen peroxide is a combination of Hydrogen and oxygen…

Q: Which of the following is NOT included in Section 9: Physical and Chemical Properties   Melting…

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Q: Engineering materials are materials utilized in the development of new technologies. (A) True (B)…

A: Engineering materials are group of materials that can be used in construction of man-made structures…

Q: Rank the following artificial articulate systems, from the best (1) to the worst (4) in terms of…

A: ALUMINIUM OXIDE: Aluminum oxide is widely used as artificial articulates. Because, it acts as an…

Q: Which of the following does not contain calcium ? A) Talc B) Chalk C) Marble D) Limestone

A: a) Talc  Talc also called as Talcum. It's a naturally occurring mineral. Chemically, it is a…

Q: 27. A seguir é mostrado o espectro de RMN de um éster com fórmula C,H,O,. O espectro no…

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Q: OH .N. ELBI

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Q: 1A C3H120 MW 88 28 36e Capi llary fi batueen salt plates ase HAVEMUNBERB Camriht 1e nee.e - Lact

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Q: True or False: Lightning passing through air produces small amounts of Nitrogen Oxide.

A: Nitrogen oxide is a binary compound which is made up of nitrogen and oxygen. It is represented by…

Q: Complete the table below. In the observation column, describe the materials before the reaction and…

A: Chemical changes are the change in the chemical properties of the substance. In chemical changes,…

Q: A rectangular solid has the following dimensions: length = 7.12 cm width = 3.31 cm height = 0.85 cm…

A: GIVEN DIMENSIONS Length = 7.12cm Breadth= 3.13cm Height = 0.85 cm Volume = (7.12×3.13×0.85) cm3  =…

Q: Br Na NH2

A: An internal alkyne that reacts with a strong base NaNH2, whose product is to be determined.

Q: OH H2SO4 (a) (b) SO4 (c) (d) and (e) 88

A:

Q: КоН (ag) a.) b.) c.) d.) e.)

A: Here the first base abstracts the proton from alpha carbon position and the corresponding enolate…

Q: Classify each change as physical or chemical. A silver surface becomes tarnished after exposure to…

A:

Q: Which of the following is not a use of a crucible? Select one :…

A: Which of the following is not a use of a crucible? Select one :…

Q: Mntt + Fe ot+HeO +2 Mn04 + Fe

A:

Q: It has a tungsten filament and is filled with inert gas O lodine is added to inert gas O lodine is…

A: Absorption spectroscopy help us to measure absorption of radiation because of interaction of…

Q: 6. Catalisis básica Br Catalisis ácida

A: Step -1 In presence of  Catalisis basica  alkylation will happen  Step-2 In presence of Catalisis…

Q: From the following, pick the most reliable source for obtaining scientific information: Group of…

A: For scientific information, published scientific papers are much more reliable sources than other…

Q: HO C.

A: The boiling point of organic compounds can give important information about their physical…

Q: sodium is not kept in  a  petrol  b  k oil  c  n hexane d  water

A:

Q: does personal care use nanotechnology?

A: NANOTECHNOLOGY -   As we know that , Nanotechnology , it is defined as  the science of converting…

Q: EN-c :NEC- :NEC- -CEO:

A: Formal charge = No. of valence shell electrons - No. of covalent bonds - 2*No. of l.p.  A. For…

Q: а. Cl2, FeCl3 OMe H. b. HN HNO3 H2SO4 OMe С. NaOD D20 'Br

A: The position of substitutions at benzene ring takes place on the basis of substituents aatached on…

Q: Which of the following natural resources is considered renewable? biofuel natural gas nuclear power…

A: Renewable natural resources among the following given compound has to be given,

Q: Identify basic procedures for dealing with laboratory accidents.

A: Given: Basic procedures for dealing with laboratory accidents.