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Mixtures are constituted by more than ONE kind of PURE form of matter, known as a substance. A substance cannot be separated into other kinds of matter by any physical process. We know that dissolved sodium chloride can be separated from water by the physical process of evaporation. However, sodium chloride is itself a substance and cannot be separated by physical process into its chemical CONSTITUENTS. Similarly, sugar is a substance because it CONTAINS only one kind of pure matter and its composition is the same throughout. Soft drink and SOIL are not single substances. Whatever the source of a substance may be, it will always have the same characteristic properties.Therefore, we can say that a mixture contains more than one substance.

Valency is the COMBINING capacity of an ELEMENT with other element. The valency of an element depends upon the number of valence electrons of that elementSorry I don't KNOW about 2ND part of your QUESTION

Because hydrogen CONTAIN H+ ions in it which MAKES solution ACIDIC

Haloalkanes generally have a boiling point that is higher than the alkane they are derived from. This is due to the INCREASED molecular weight due to the large HALOGEN atoms and the increased intermolecular forces due to the polar bonds, and the increasing polarizabilty of the halogen.Thanks for the QUESTION. Hope it helps you.

Option C is the right answer for this. Explanation:Sulfonation and nitration are two cases where one can see electrophilic atomic substitution of Benzene. In each of the cases, the corresponding ions i.e. the nitronium ion and the sulfur TRIOXIDE ion ACT as electrophiles in the reaction and they react with benzene. As a result of this, NITROBENZENE is formed and benzenesulfonic acid is ALSO formed. The nitronium ion which is positive undergoes a protonation of nitric acid to sulfuric acid and ultimately there is loss of water molecules before a nitronium ion is resulted. So benzene under the action of HNO3 and H2SO4 gives nitrobenzene.

A is the CORRECT ANSWER to this QUESTION

tion:answer of question number 2 is GIVEN below:-Na2CO3 + H2O ----> NaCl + H2O +CO2answer of question number 4 is given below:-NaHCO3 + C6H8O7 ---->Na3C6H5O7 + H2O +CO2heresodium bicarbonate=NaHCO3 citric acid=C6H8O7sodium citrate=Na3C6H5O7sodium carbonate=Na2CO3sorry for not ANSWERING question number five because it is based on POAC or Principle Of Atom Conservation

Essentially, cohesion and adhesion are the "stickiness" that WATER MOLECULES have for each other and for other substances. You can SEE this in the picture to the right. The water drop is composed of water molecules that like to STICK TOGETHER, an example of the property of c

the ANS is ETHANOIC ACID

If you don't know average ATOMIC mass you can't PREPARE things CORRECTLY in equal AMOUNT

The EQUATION for the formation of carbon monoxide is C(s) + 1/2 O2(g) - CO(g) with DELTA HF = -110.5kJ/mol

The silicones differ from most INDUSTRIAL POLYMERS in that the chains of linked atoms that make up the backbones of their molecules do not contain carbon, the characteristic element of organic compounds.A general FORMULA for silicones is (R2SiO)x, where R can be any one of a variety of organic groups.Thanks for the question. HOPE it HELPS you.

As we learnt in Oxidation state of carbon family -Exhibits O.S. of +4L and +2 (ionic) Ge, Sn and PB +2 o.s. is PROMINENT due to inert pair effect- Due to inert pair effect, the stability of +2 oxidization state increases down the group.Option 1)PbX_2\ll SnX_2\ll GeX_2\ll SiX_2This option is incorrect.Option 2)GeX_2\ll SiX_2\ll SnX_2\ll\, PbX_2This option is incorrect.Option 3)SiX_2\ll GeX_2\ll\, PbX_2 \ll\, SnX_2This option is incorrect.Option 4)SiX_2\ll GeX_2 \ll\, SnX_2 \ll\, PbX_2

gaves LIGHT BLUE FLAME .................

mula NEEDED is in attachment. ( with l)l = 0 for s ORBITALSO answer is (C)

Ten WAYS to Reduce Greenhouse GasesReduce, Reuse, RECYCLE. Buying products with minimal packaging will help to reduce waste. ...Use Less Heat and Air Conditioning. ...REPLACE Your Light Bulbs. ...Drive Less and Drive Smart. ...Buy Energy-Efficient Products. ...Use Less Hot Water. ...Use the "Off" Switch. ...Plant a Tree.HOPE IT HELPS YOU AND PLS MARK AS BRAINLIEST

All are CORRECT have a NICE DAY

temperature, the stable allotrope is β-tin, a silvery-white, MALLEABLE METAL, but at low TEMPERATURES, it transforms into the less dense GREY α-tin, which has the diamond cubic structure.

E..HERE'S UR ANSWER..When Aluminum REACTS with HYDROCHLORIC acid it FORMS Aluminum CHLORIDE and hydrogen gas is released.2 Al + 6 HCl ----> 2 AlCl3 + 3 H2.HOPE IT HELPS U.._____..

when boric acid is HEATED it converts to metabolic acid which on further heating gives BORON trioxide on further heating the METABORIC acid break up into boric acid (B2O3) and waterHOPE THIS HELPS YOU

+1 and +3 RARELY

Indium is produced exclusively as a by-product during the processing of the ORES of other metals. Its main SOURCE MATERIAL are sulfidic zinc ores, where it is mostly hosted by sphalerite. Minor amounts are PROBABLY also extracted from sulfidic copper ores.

the most STABLE COMPOUND here is CL4

tion:Macronutrients are eaten in large amounts and include the primary building blocks of your DIET — PROTEIN, CARBOHYDRATES, and fat — which provide your body with energy. Vitamins and minerals are MICRONUTRIENTS, and SMALL doses go a long way.

Both common and International Union of PURE and APPLIED Chemistry (IUPAC) names are frequently used for ALDEHYDES and ketones, with common names predominating for the lower homologs. The common names of aldehydes are taken from the names of the acids into which the aldehydes can be converted by oxidation. (For more information about CARBOXYLIC acids, see Chapter 15 "Organic Acids and Bases and Some of Their Derivatives", Section 15.2 "Carboxylic Acids: Structures and Names" through Section 15.4 "Physical PROPERTIES of Carboxylic Acids".)