Which of the following statements is INCORRECT? O Filtration banks on the different sizes of mixture components. Distillation is used to separate immiscible liquids. O Chromatography is used to separate components of different affinity. O None of the above

Q: Which n 15. Carry out the following mathematical ope significant figures. a) 116.3 ст —0.33 ст…

A: 15. Given, a) 116.3 cm - 0.33 cm = b) 137.8 mL + 25 mL =  c) 21 mg + 13.8 mg + 130.36 mg =

Q: What is the difference between a homogeneous and a het-erogeneous mixture?

A: Mixture is the physical combination of two or more than two different substances.

Q: is a homogeneous mixture and not a compound. Explain 2. How could you tell when the milk mixture had…

A: Milk is a homogeneous colloid. Colloids are mixtures that consist of tiny, insoluble droplets…

Q: A mixture of cyclohexane (b.p 81 °C) and toluene (b.p 110.8 °C) need to be separated and collected…

A: Given that, a mixture of cyclohexane (b.p 81 °C) and toluene (b.p 110.8 °C) needs to be separated…

Q: Classify these substances. More than one answer may apply in each case. N2 solution O homogeneous…

A: Element - It is a pure substance made up of only a single atom.  Compound - It is a pure substance…

Q: The image below illustrate the complete separation. True or False? O True False

A: In the given image it is clear that there are three type of molecules: Red ones Blue ones And black…

Q: We use the . difference to separate a liquid mixture by distillation. O Melting point Flash point…

A: The temperature at which the solid substance is converted to liquid substance is known as melting…

Q: 3. A pinch of bread was placed inside a test tube and heated until it became blackish D. Both…

A: 3. On heating bread forms black precipitate and release a gas.

Q: A box of clear plastic wrap for household use is polyethylene,{ CH with density = 0.910 Mg/m'. A box…

A: From area and thickness we can calculate the volume and the mass of the compound . From here we can…

Q: 2. Fill the blanks with the possible physical methods of separation/processes Matter Heterogeneous…

A: Heterogenous mixture :- Mixtures which constitutes of more than one type of particles.  Examples :-…

Q: Classify these substances. More than one answer may apply in each case. H, pure substance element…

A:

Q: Give two ways to separate thixotropic mixtures ( just give the answer in words don't explain please)

A: Thixotropic mixture is generally occurs in paint such as lithopone in oil which flows freely when…

Q: (a) Read the following description of the element zinc andindicate which are physical properties and…

A: Indicate the physical and chemical properties of zinc from the given description. Zinc melts at 420…

Q: 1.24 Two beakers contain clear, colorless liquids. When the contentsof the beakers are mixed a white…

A: Chemical change- The change in which chemical reactions are happened called as chemical change. e.g.…

Q: cube welg pe. Caleu late the densite of a metal 0.4 98 Hg length of 4.21 cm in 3/mL. 1 mL = 1 cm²…

A: Given :  Mass = 0.498 kg  Length = 4.21 cm

Q: Why do the ability to separate and recover pure substances from mixtures is extremely important in…

A: Purity is a necessity of scientific research.

Q: Melting gold with other metals makes 10-karat gold. Which term best describes 10-karat gold? O…

A: 10 karat gold is an alloy . Alloy are the homogeneous mixture.

Q: Which of the following is a physical process of water purification which separates suspended solid…

A: Sedimentation is a physical water treatment process using gravity to remove suspended solids from…

Q: Classify these substances. More than one answer may apply in each case. H2 O, pure substance element…

A: Given substances are : a). H2  b). O2  c). H2O  d). Salt water  They are pure substances or element…

Q: Which of the following statements about the sensitivity of an analytical method is true? O The…

A: Two questions based on tools in analytical chemistry that is to be accomplished.

Q: Separating a mixture of two liquids into its components based on their boiling points is known as: •…

A: Every liquid has its unique boiling point, at which it converted to vapour,  based on this boiling…

Q: For which of the following, can the composition vary? Select one: a. pure substance b. both…

A: The following, can the composition vary :

Q: A homogenous mixture is one where O The composition is not uniform throughout None of these answers…

A:

Q: (d) Complete the following statements: (i) The three are solid, liquid and (ii) The three scales are…

A: Please find the answers here in serial wise  manner.

Q: The liquid bromopentafluorobenzene has a density of 1.98 g/mL at 25.0°C. If a 107 gram sample of…

A: Applying formula of  density  d= m/V

Q: Which separation technique could be used to separate a mixture based on differnces in boiling point.…

A: Welcome to bartleby !

Q: Which of the following statements about the sensitivity of an analytical method is true? O The…

A: The correct statement about the sensitivity of an analytical method is given below

Q: If matter is uniform throughout and cannot be séparated into other substances by physical means, it…

A: If a matter is uniform throughout and can not be separated into other substances by physical means,…

Q: If a sample of matter is uniform throughout and cannot be separated into other substances by…

A: element and compound are pure substances that have uniform throughout the composition.

Q: The following statements are correct regarding errors except: O Detection of systematic method error…

A: There is one incoorect statement in the given 5 statements . We have to tell that incorrect…

Q: Two beakers contain clear, colorless liquids. When the contentsof the beakers are mixed a white…

A: Chemical change- The change in which chemical reactions are happened called as chemical change. e.g.…

Q: 1.17 A solid white substance A is heated strongly in the absence ofair. It decomposes to form a new…

A:

Q: The liquid 1-decanol has a density of 0.830 g/mL at 20.0°C. If a 143 gram sample of this compound is…

A: Given,Density of 1-decanol = 0.830 g/mLMass of 1-decanol = 143 gThe volume of the liquid can be…

Q: Explain the difference between a homogeneous and a heterogeneousmixture.

A: The difference between a homogeneous and a heterogeneous mixture will be :

Q: Gas chromatography requires a sample size. O Much, much less than a gram O A gram or less 1 to 10…

A: The process of separating compound from a mixture by injecting the liquid or gaseous sample into the…

Q: Convert 22 in. to cm's. (1 inch = 2.54 cm) %3D O 56 cm O 54.2 cm О 25.5 ст О 88 ст

A: The given unit inch can be converted into the centimeter unit by knowing the relationship between…

Q: Which type of matter has a definite compositionthroughout and is made of more than one type…

A: Heterogeneous mixture: A mixture in which components combine to give a non-uniform composition is…

Q: Identify the chromatography term that corresponds to each definition. A value that quantifies the…

A: We are having the four terms that we have to use to define each statement . We should have knowledge…

Q: What pairs are directly proportional in PV=nRT?

A: This is ideal gas equation  Pressure is directly proportional to number of moles and temperature…

Q: Which of the following statements is true? Both mixtures and pure substances have variable…

A: Mixtures are basically described in 2 types such as heterogeneous as well as homogeneous.…

Q: irections: Match the following terms in column A to the description that matches them in column…

A: Match the given column:

Q: Mixtures are created by physical means (mixing a substance with another; no chemical bonding); if…

A: A mixture is a material containing two or more elements or compounds that are in close contact and…

Q: uestions 1. Differentiate between homogen- eous and heterogeneous mixtures with examples.

A: 1)  Mixtures square measure shaped once 2 or additional substances (elements or compounds) combine…

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A:

Q: What does this particle diagram show? O a mixture of elements Oa mixture of compounds O an element…

A: In the given diagram, there are three compounds which are similar. It means that it is a pure…

Q: Is the separation method used in brewing a cup of coffeebest described as distillation, filtration,…

A: The separation method used in brewing a cup of coffee is filtration. In this process when grinded…

Q: You are given a sample of material made up of protein and cholesterol. If a O.258 g sample of this…

A:

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A:

Q: Put (√) or (×), then correct if false:- i) In gas phase, the molecules are held close together (…

A: Gases contains extremely small particles widely spaced in container.  The average distance between…