Explore topic-wise InterviewSolutions in .

ong>Answer:

ETHANOL can be dehydrated to give ETHENE by heating it with an excess of concentrated sulphuric acid at about 170°C. Concentrated PHOSPHORIC(V) acid, H3PO4, can be used instead.

align="absmiddle" ALT="\huge{\underline{\underline{\underline{\sf{\PINK{ﾑɳรᏇɛƦ ࿐}}}}}}" class="latex-formula" id="TexFormula1" SRC="HTTPS://tex.z-dn.net/?f=%5Chuge%7B%5Cunderline%7B%5Cunderline%7B%5Cunderline%7B%5Csf%7B%5Cpink%7B%EF%BE%91%C9%B3%E0%B8%A3%E1%8F%87%C9%9B%C6%A6%20%20%E0%BF%90%7D%7D%7D%7D%7D%7D" title="\huge{\underline{\underline{\underline{\sf{\pink{ﾑɳรᏇɛƦ ࿐}}}}}}">

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

ong>Answer:

What does Fe 2+ mean?

In chemistry, iron(II) REFERS to the ELEMENT iron in its +2 oxidation state. In ionic compounds (SALTS), such an atom may occur as a SEPARATE cation (positive ion) denoted by Fe2+. The adjective ferrous or the prefix ferro- is often used to specify such compounds — as in "ferrous chloride" for iron(II) chloride, FeCl.

Explanation: i can't answer that but this will help you

ong>Answer:

SUNO

Explanation:

TUMNE mujhe jo ans. diya hai na

WOH question tumhare liye nahi hai

Explanation:

Answer:

1) When we exhale we give out a colourless gas. This gas is added to soft drinks to give them a tangy taste. How can this gas be tested in the lab?  

Answer: When carbon DIOXIDE, CO2, enters the LIMEWATER, the limewater BECOMES cloudy. When you exhale into the bottle, the limewater will TURN cloudy.

2) When we exhale we give out a colourless gas. This gas is added to soft drinks to give them a tangy taste. Give a word equation to show how this gas can be produced?

Answer: H2CO3 → H2O + CO2,

ong>ANSWER:

C) Our ELBOW cannot move backwards because it has a hinge joint which allows the movement in ONE plane only.

ong>Answer:

1. A mixture of immiscible LIQUIDS is SEPARATED by using an apparatus called separating funnel

Explanation:

2. Chromatography is a method of separating out materials from a mixture. Ink is a mixture of several dyes and therefore we can separate those colors from one another using chromatography. When ink is EXPOSED to certain SOLVENTS the colors dissolve and can be seperated out. When we expose a piece of paper with ink on it to a solvent, the ink spreads across the paper when the ink dissolves

3 . Since the boiling point of nitrogen and oxygen are very close to each other, hence, fractional distillation is used to separate the components of liquid air.

align="absmiddle" alt="\huge\color{cyan}\boxed{\colorbox{black}{✿Answer✿}}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?F=%5Chuge%5Ccolor%7Bcyan%7D%5Cboxed%7B%5Ccolorbox%7Bblack%7D%7B%E2%9C%BFAnswer%E2%9C%BF%7D%7D" title="\huge\color{cyan}\boxed{\colorbox{black}{✿Answer✿}}">

With the HELP of these subshell labels, the electron CONFIGURATION of magnesium (atomic number 12) can be written as 1s2 2s2 2p6 3s2.

(B) EXPLANATION:PLEASE MARK me as BRAINLIEST

gyymxhmxzymzhmxhmxhmzmhzxhhmgmzzmh

The SIZE of particles in a solution is A solution is a homogeneous MIXTURE. The particles of a solution are smaller than 1 nm (10-9 metre) in DIAMETER.

____!_______!_________!

4al+02=2Al20 is the BALANCED CHEMICAL EQUATION.

tion:the PROCESS by which green plants and some other ORGANISMS use sunlight to synthesize NUTRIENTS from CARBON dioxide and water. Photosynthesis in plants generally involves the green pigment CHLOROPHYLL and generates oxygen as a by-product.hope this helpsMark me as branilist ✌✌️

172.4 F this is the CORRECT ANSWER

you KNOW about B SC COURSE

tion:A colloid is a mixture in which one substance of microscopically DISPERSED insoluble particles are suspended throughout another substance. HOWEVER, some definitions SPECIFY that the particles must be dispersed in a liquid, and OTHERS extend the definition to include SUBSTANCES like aerosols and gels.

Therefore milk souring is KNOWN as a chemical TRANSITION or chemical CHANGE because it ENDS up forming a new product that is the lactic acid, HENCE leaving the milk sour.

tion:HOPE it's nicemark me as brainliest PLZ plz plz plz I BEG uI will FOLLOW I

tion:HELIUM is used in filling balloons.Oxygen -Helium mixture is used in the TREATMENT of asthma.Neon is used for filling SODIUM vapour lamps.Argon is used as a carrier gas in gas chromatography.Krypton is used in HIGH efficiency miner's cap lamps.Radon is used in radioactive RESEARCH.

Polyatomic ions with a positive 1 charge do occur, but the main ONE you'll encounter and need to know is the AMMONIUM ION. Remember, because it is a CATION, when it reacts and forms a compound, it is cited first in the chemical formula.Explanation:hope helps

okayyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyExplanation:MARK my ANSWERS as BRAINLIEAST

Sericulture, or silk FARMING, is the cultivation of silkworms to produce silk. ALTHOUGH there are several commercial species of silkworms, Bombyx MORI (the caterpillar of the DOMESTIC silkmoth) is the most widely USED and intensively studied silkworm.

mehnat KITHE mai just spam kita C ≧ω≦oh v just spamming vale questions te Koi chakr ni but Ho meri pehla vali flwng CH plz question past KRK menu flw krn NU kehdo plz

It is a HETEROGENOUS mixture.Size of particles is too SMALL to be seen by naked eye.They scatter light PASSING through them MAKING its path visible.They do not settle down when left undisturbed.They cannot be SEPARATED by the process of filtration

The iron reacts with water and oxygen to FORM hydrated iron(III) oxide, which we see as rust. Iron and STEEL rust when they COME into contact with water and oxygen – both are needed for rusting to occur. BOILING the water removes the oxygen and the layer of oil prevents it from re-entering.

sorry par NAHI pata Explanation:PLEASE mark me as BRAINLIEST

Aapne TOH kaha krlo Explanation:HAMARA intro:NAME is AkshatGrade 11Aur EK sudhra hua bacha

tion:SERICULTURE. This is the term USED to describe the process of gathering the SILKWORMS and harvesting the cocoon to collect the materials. ...Thread extraction. ...Dyeing. ...Spinning. ...WEAVING. ...Finishing.

a. FALSEB. true C. FALSE d. truee. trueExplanation:mark me as brilliant

tion:Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes. Most water is purified and disinfected for human consumption (drinking water), but water purification may also be carried out for a variety of other purposes, including medical, pharmacological, CHEMICAL, and industrial applications. The methods used include physical processes such as filtration, sedimentation, and distillation; biological processes such as slow sand filters or biologically active carbon; chemical processes such as flocculation and chlorination; and the use of electromagnetic radiation such as ultraviolet light.Control room and schematics of the water purification plant of LAC de Bret, SwitzerlandWater purification may reduce the concentration of particulate matter including suspended PARTICLES, parasites, bacteria, algae, VIRUSES, and fungi as well as reduce the concentration of a range of dissolved and particulate matter.The standards for drinking water quality are typically set by governments or by international standards. These standards usually include minimum and maximum concentrations of contaminants, depending on the intended use of the water.Visual inspection cannot determine if water is of appropriate quality. Simple procedures such as boiling or the use of a household activated carbon filter are not sufficient for treating all possible contaminants that may be present in water from an unknown source. Even natural spring water – considered safe for all practical purposes in the 19th century – must now be tested before determining what kind of treatment, if any, is needed. Chemical and microbiological analysis, while expensive, are the only way to obtain the information necessary for deciding on the appropriate method of purification.According to a 2007 World Health Organization (WHO) report, 1.1 billion people lack access to an improved drinking water supply; 88% of the 4 billion annual cases of diarrheal disease are attributed to unsafe water and inadequate sanitation and hygiene, while 1.8 million people DIE from diarrheal disease each year. The WHO estimates that 94% of these diarrheal disease cases are preventable through modifications to the environment, including access to safe water.[1] Simple techniques for treating water at home, such as chlorination, filters, and solar disinfection, and for storing it in safe containers could save a huge number of lives each year.[2] Reducing deaths from waterborne diseases is a major public health goal in developing countries.

lecular forces are weaker attractions that hold molecules or noble gas particles close together when they are in a liquid or SOLID FORM. Gas particles have broken AWAY from the intermolecular forces that hold LIQUIDS and solids together. An alternative name for intermolecular forces is the van der Waals forces.

this is not what you THINK about it again and again and again and again

which QUESTION PLEASE TELL

ggdgsgdddbdhehgdgsgdggegExplanation:hshsgeggsgsggsgsgegegegsgeg

i YLL LEAVE MT KLO pleache

Hiiitea or COFFEE kudichacha.