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ANSWER:

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Sieving is a method of SEPARATING the components of a mixture if they differ in size. We USE this method to separate WHEAT flour from its bran. Here, fine powdered particles of wheat flour PASS through the sieve and the huge bran particles stay on the sieve.

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All of the elements in GROUP Zero are noble GASES. The list INCLUDES helium, neon (Ne), ARGON (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Don't think that, because these elements don't like to react, we don't use them. You will find noble gases all over our WORLD.

ANSWER:

Most of the METALS are FOUND in the EARTH's CRUST

ANSWER:

Are wah ap to BADI achi sayari sunate H

Answer:

a) CA + O2 = CaO2

b) ZN + H2SO4 = ZnSO4 + H2

c) CuSO4 + HNO3 = Cu(NO3)2 + H2O

Explanation:

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A COMPOUND is REPRESENTED by USING CHEMICAL FORMULAS.

Answer:

Na2SO4

Explanation:

Urea and glucose do not dissociate in SOLUTION. Potassium chloride gives TWO ions and sodium sulphate gives three ions PER formula unit.

so effective number of particles of sodium sulphate is maximum and hence shows highest boiling point since

(delta)Tb = i(KB)m

a) Calcium oxide — CaO

d) zinc sulphate + hydrogen — ZN(SO4) + H2

c) COPPER NITRATE + water = Cu(NO3) + H2O

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ANSWER:

Zero

Explanation:

PRIMARY REFERENCE Electrodes The electrode potential is found out by coupling the electrode with a primary reference electrode, the potential of which is arbitrarily FIXED as zero. The important primary reference electrode used is a standard hydrogen electrode, 7.

Answer:

1) Table SALT (NaCl)

2) Immiscible

Explanation:

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Answer:

Explanation:

A.

0 and 2

Tick (1) the correct answer and fill in the blank.

are CALLED Binary digits.

0 and 1

refers to the INFORMATION that varies in the merged documents.

1. The TWO digits

1 and 2

Variable data​

EXPLANATION:

बालों के बीच में और यदि मैं पशु बन जाऊं तो गाय बनू

ANSWER:

nnkl

Explanation:

nggkbgujb C is RIGHT answer

ANSWER:

FREE FIRE is a BEST GAME

ANSWER:

Mg,12 answer

Explanation:

because if K shell has 2 l shell has 8 m 2

ANSWER:

?????????

EXPLANATION:

Answer:

HYDROGEN has only two TYPES of sub atomic particle that has ELECTRON and proton it doesn't have neutron

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ANSWER:

Yes l am here l am RITANSHI NICE to MEET you

ANSWER:

Examples of Solids, Liquids, and Gases

A SOLID has a defined shape and volume. A COMMON example is ice. A liquid has a defined volume, but can CHANGE STATE. An example is liquid water. ... Water vapor is an example of a gas.

Answer:

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Explanation:

TUBES can come in different shapes such as square, rectangular and cylindrical, WHEREAS Pipe is always round. The circular shape of the pipe make the pressure force evenly DISTRIBUTED. Pipes accommodate larger applications with sizes that range from a ½ inch to SEVERAL feet

Answer:

Flywheel is used to prevent FLUCTUATION of energy and does not MAINTAIN a constant speed. GOVERNOR is used to maintain the constant speed, whenever there are CHANGES in LOAD.

ANSWER:

Sedimentation

Explanation:

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The ANSWER is OPTION (C) AIR

(A) Although there is attraction between the particles of matter,

but the volume increases on ADDING one matter into another only when

• The
• SPACE between the particles in negligibly small and
• The particles of
• matter to be added are bigger in size and do not occupy the empty
• inter PARTICLE space.

(B) Correct. The salt particles occupy the space between the glass balls.

The volume does not INCREASE as long as the space between the glass

balls is not filled up.

(c) According to VAN der Waals forces, there is an attraction between the

particles of matter.

(d) According to Van der Waals forces, there is an attraction between the

particles of matter.

Answer:

Explanation:

HARD WATER:

The water with naturally present minerals like MAGNESIUM and calcium with detectable amount is called hard water. These minerals are beneficial for health. They add flavour to hard water.

Soft water:

It is treated water. It is left with only cations and that is SODIUM. It has a salty taste.

To make you understand how hard water and soft water are DIFFERENT from each other, here are some of the major differences between hard water and soft water:

ANSWER:

Tenstile STRENGTH of FIBRE:

It is the ma

ANSWER: H2O, CO2 (PICTURED) and HCN.

Explanation:

Triatomic molecules are molecules COMPOSED of three ATOMS, of either the same or DIFFERENT chemical elements.

ANSWER:

Gold

Explanation:

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ANSWER:

विद्यार्थी जीवन में अनुशासन का बहुत महत्व होता है । अनुशासन के द्वारा ही वह स्वयं के लिए उज्जवल भविष्य की संभावना कर सकता है । ... अनुशासन में रहने की सीख उसे अपने घर से ही प्राप्त होती है । विद्यार्थी को चाहिए कि विद्यालय में रहकर विद्यालय के बनाए सभी नियमों का पालन करे

ANSWER: - TRUE!

EXPLANATION: - NONE

ANSWER:

TRUE fossil fuels cause AIR pollution

Answer:

MARS is the fourth PLANET from the Sun and the second-smallest planet in the SOLAR System, being LARGER than only Mercury. In English, Mars carries the NAME of the Roman god of war and is often referred to as the "Red Planet

Answer:

Diamond

Explanation:

Diamond is a FORM of carbon and has a HIGH MELTING and BOILING point.

A SATURATED solution can be changed into unsaturated solution (without adding solvent) by heating the solution. For INSTANCE when a saturated solution of sugar is heated to a HIGHER TEMPERATURE, it starts DISSOLVING more sugar.

ANSWER:-

• K(Potassium) and NA(Sodium) are the metal that displace hydrogen from BOILING water.

Additional information:-

• These two metals can hydrogen in STEAM also.

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ANSWER:

HEART disease

Explanation:

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INTERACTION: RECIPROCAL ACTION or influence.

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Answer:

Supersaturation occurs with a chemical solution when the concentration of a SOLUTE exceeds the concentration specified by the value equilibrium SOLUBILITY. Most COMMONLY the TERM is applied to a solution of a solid in a LIQUID.

Answer:

Explanation:

mineral acid=sulphuric  acid ,nitric acid ,HYDROCHLORIC acid, phosphoric acid,  BORIC acid

organic acid = citric acid ,lactic acid ,acetic acid.

formic acid , malic acid

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Explanation:

When silver nitrate (AgNO3) reacts with sodium chloride (NaCl) a white precipitate of silver chloride (AgCl) is formed which is highly insoluble in water, along with formation of sodium nitrate (NaNO3).

Since (AgCl) is insoluble in water it will precipitate out and (NaNO3) is SOLUBLE in water so it will remain DISSOLVED in the mixture. This reaction is an example of double DISPLACEMENT reaction and it occurs as follows:-

AgNO3 + NaCl→AgCl + NaNO3

Hence, the correct ANSWER is the option (B).

ANSWER:

ASTROLABES

EXPLANATION:

astrolabs were invented by the ancient GREEKS

Inorganic acids, which contain no carbon and are also CALLED mineral acids, are acids DERIVED from one or more inorganic compounds. These inorganic acids are either without OXYGEN or oxoacids. With reference to the NUMBER of hydrogen atoms they are either MONO-, di-, or tribasic.

EXPLANATION:

its MEANING is CREATION of SOMETHING

decomposition

decomposition is your ANSWER

Explanation:

I have UPLOADED the answer but it says answer should be 20 characters LONG so I am writing this.

Today's rapid global warming is caused by increased concentrations of GREENHOUSE gases in the atmosphere. ... Although water VAPOR TRAPS more HEAT than CARBON dioxide (CO2), increasing greenhouse gases like CO2, not water vapor, is what drives global warming.

Answer:

True.

Explanation:

Greenhouse GASES that occur both naturally and from human activities include water VAPOR, carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O) and OZONE (O3).

Carbon dioxide (CO2) is the primary greenhouse gas emitted through human activities. In 2018, CO2 accounted for about 81.3 percent of all U.S. greenhouse gas emissions from human activities.

Carbon dioxide (CO2) is the primary greenhouse gas emitted through human activities. In 2018, CO2 accounted for about 81.3 percent of all U.S. greenhouse gas emissions from human activities.

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Your QUESTION's ANSWER is (C) CO2.