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ANSWER:

this SENTENCE is TRUE s

EXPLANATION:

OPTION d

ANSWER:

YES

EXPLANATION:

.....,..............

ANSWER:

It is TRUE ...................

Because SYNTHETIC FIBRE are MADE up of UNITS of plastics and other material.

Explanation:

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Answer:

a) NH₄Cl + NaOH  → NaCl + H₂O + NH₃ (self-balanced)

B) N₂ + 3H₂ → 2NH₃

c) Na₂O + H₂O → 2NaOH

d) 2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O

e) 2CO + O₂ → 2CO₂

f) 2KClO₃ → 2KCl + 3O₂

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Answer:

MORTAR and pestle, ANCIENT DEVICE for milling by pounding. The mortar is a durable bowl commonly made of stone, CERAMIC, or wood. The pestle is a rounded grinding club often made of the same material as the mortar

Answer:

It INVOLVES the PROOF

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EXPLANATION:

HYPOTHETICAL statement

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The concentrated sulphuric ACID gives a hydrogen ION to the halide ion to PRODUCE a hydrogen halide. Because this is a gas, it immediately ESCAPES from the system. ... As an example, concentrated sulphuric acid reacts with solid sodium chloride in the cold to produce hydrogen chloride and sodium hydrogensulphate.

ANSWER:

MAGNESIUM;hydrogen carbonate | C2H2MgO6 - PubChem.

Molecular Formula: C2H2MgO6

Molecular Formula: C2H2MgO6Molecular Weight: 146.34 g/mol

Molecular Formula: C2H2MgO6Molecular Weight: 146.34 g/molPubChem CID: 129628180

Explanation:

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ANSWER:

COCOONS

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Answer:

Chemistry is the study of matter, including its COMPOSITION, PROPERTIES, and STRUCTURE; how it CHANGES; and how it interacts with energy.

Explanation:

Answer:

SELECTIVE breeding

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Answer:

name the breed from which we get wool for kashmiri SHAWLS. Please FIND below the SOLUTION to the asked QUERY: Kashmiri shawls are made by changthangi, ladakh or pashmina goat. Hope this information will clear your doubts about the topic.

ANSWER:

which BOOK and which ACTIVITY has to be ANSWERED

ANSWER:

EXPLAIN the QUESTION CLEARLY

ANSWER:

U should make a kind of rhymes and all the first letters of ur rhyme should start with elements name...

Explanation:

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ANSWER:

Because of MOTHER's love.

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Answer:

Dissociation in chemistry and biochemistry is a general process in which molecules (or ionic compounds such as salts, or complexes) separate or split into smaller particles such as atoms, IONS, or radicals, usually in a reversible manner. For instance, when an acid dissolves in water, a covalent BOND between an electronegative atom and a HYDROGEN atom is BROKEN by heterolytic fission, which GIVES a proton (H+) and a negative ion. Dissociation is the opposite of association or recombination.

Answer:

To write the chemical formula of a BINARY COMPOUND. Determine the valencies of the two elements present. Write the chemical formula such that the SUMS of the valencies of the two elements are equal. Do this by determining the lowest common multiple of the two valencies.

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ANSWER:

POST the activity ...then I will answered your QUESTIONS....

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ANSWER:

HELLO my FRIEND

EXPLANATION:

SUBLIMATION is the answer my friend.

ANSWER:

CHROMIUM "CHROMA"

MEANING COLOUR

Answer:

Explanation:

Variable VALENCY Examples

Certain elements have more than one valency. They exhibit variable valency. For example, COPPER, tin, IRON and mercury exhibit variable valency. Copper combines with oxygen to form CUPROUS oxide (CU2O) and cupric oxide (CuO).

ANSWER:

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ANSWER:

I didn't UNDERSTAND the QUESTION...........

ANSWER:

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Explanation:

Using Sublimation, We can separate glass POWDER and CAMPHOR (By sublimating the camphor and LEAVING the glass powder)

ANSWER:

I KNOW it feels BAD when no one REPLIES to your question...

Explanation:

EXPLANATION:

SEVEN

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ANSWER:

lhckhgkxgdttodyidoroydyierweyquaruajfxgxkxvxvkxkxgdtidditditdtid

Explanation:

When sodium chloride solution is TREATED with SILVER nitrate solution ,a WHITE precipitation is formed which is soluble in excess AMMONIUM chloride solution. When barium chloride is added to the sodium sulphate solution ,a precipitate is formed which is INSOLUBLE in all mineral acids

ANSWER:

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ANSWER:

Solute - 20 g

solution-200 mL

Mass percent = Solute/solution*100

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Answer:

When DILUTE HCl is added to SILVER nitrate solution, white PRECIPITATES of AgCl are formed. Curdy white ppt. has observed which is soluble in NH4OH.

Answer:

Sugar dissolves in water because energy is given off when the slightly polar sucrose molecules FORM INTERMOLECULAR BONDS with the polar water molecules. ... When one of these solids dissolves in water, the ions that form the SOLID are released into solution, where they BECOME associated with the polar solvent molecules.

Explanation:

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Answer:

here is your answer

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Explanation:

the FORMULA is -- M2O3

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Answer:

The Answer is: Cooper's SYMBOL is Cu not C because in Camistry C REPRESENT's Carbon.

In the Same way Potassium's symbol is K not P because in Camistry P represent's PHOSPHORUS and K(LATIN name Kalium) represent's Potassium.

ANSWER:

SEE MAHASHRI MOVIE. HI

ANSWER:

Option C is CORRECT

From both the surface and the bulk

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ANSWER:

A) i) SALT ii) Lemon

B) Lactic acid.

C) COLOUR change.

D) Carbon dioxide.

Explanation:

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COMMENT. Yes the fabric developers and manufactures are INCREASINGLY developing the production of eco FRIENDLY or green fabric, This is because, these fabrics do not have any synthetic or non-decomposable material, which can damage the environment after use. This PROMOTES " Green chemistry''

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Answer:

Pasteurization or pasteurisation is a PROCESS in which PACKAGED and non-packaged foods (such as milk and fruit juice) are treated with mild heat, usually to LESS than 100 °C (212 °F), to ELIMINATE PATHOGENS and extend shelf life.

Explanation:

yes the fabric developers and manufactures are increasingly DEVELOPING the economy friendly or green fabric, this is because, these fabric do not have any synthetic or no decomposable MATERIAL, which can damage the environment after USE. this promotes 'green chemistry'......

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ANSWER:

archaeologist

Explanation:

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ANSWER:

by splitting of water O2 and H2 can be obtained

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Answer:

1=Rain is droplets of water that FALL from clouds. Heat from the Sun turns moisture (water) from plants and leaves, as well as oceans, lakes, and rivers, into water vapour (gas), which disappears into the AIR. This vapour rises, cools, and changes into tiny water droplets, which form clouds.2=Snow forms when tiny ice crystals in clouds stick together to become snowflakes. If enough crystals stick together, they'll become heavy enough to fall to the ground. Snowflakes that descend through moist air that is slightly warmer than 0 °C will melt around the edges and stick together to produce big flakes3=Clouds form when moist, WARM rising air cools and expands in the atmosphere. The water vapor in the air CONDENSES to form tiny water droplets which are the basis of clouds.4=Melting (Change of solid into liquid) - The change of solid into liquid due to increase in temperature is known as melting. ... Similarly, when solid wax gets heated it converts into liquid and this is melting process.

Explanation:

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Answer:

1. Each SHELL consists of one or more subshells, and each SUBSHELL consists of one or more atomic orbitals.
2. Isotopes are variants of a particular chemical ELEMENT which differ in neutron NUMBER, and consequently in nucleon number. All isotopes of a given element have the same number of protons but DIFFERENT numbers of neutrons in each atoms.
3. Explanation:

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