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Answer:

3.16 is the ELECTRONEGATIVE VALUE of CHLORINE

EXPLANATION:

ANSWERS are GIVEN in the IMAGE.

Answer:

Name of the member Molecular formula IUPAC Name Structural formula

(1) METHYL alcohol CH

3

OH Methanol H

3

C−OH

(2) Ethyl alcohol C

2

H

5

OH ETHANOL CH

3

−CH

2

−OH

(3) Propyl alcohol C

3

H

7

OH Propanol CH

3

−CH

2

−CH

2

−OH

(4) Butyl alcohol C

4

H

9

OH Butanol CH

3

−CH

2

−CH

2

−CH

2

−OH

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Answer:

When this anhydrous copper (II) nitrate is further heated it gives a black residue of copper OXIDE and also gives out a brown gas i.e., of NITROGEN DIOXIDE and a colorless gas which is of OXYGEN. Therefore, the gases X and Y are oxygen and nitrogen dioxide respectively.

Answer:

Laundry detergent is a TYPE of detergent (CLEANING agent) USED for cleaning laundry. Laundry detergent is manufactured in powder (washing powder) and liquid form.

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ANSWER:

DONT know

Explanation:

Explanation:

The structural FORMULA for the GIVEN IUPAC name is given in the IMAGE. Aqua stands for H2O and CHLORO stands for CL.

OPTION (D) is CORRECT

Answer:

1.This is due to recurrence of similar valence shell electronic configuration after a difference of 2, 8, 18 or 32 in atomic numbers.

2.Atomic number of an element is equal to the number of protons or electrons in case of a neutral atom. Physical and chemical properties of elements depend on the number of electrons and their arrangement. Thus properties of elements are periodic function of their atomic numbers and not atomic weights.

3.Yes, the given statement is TRUE- Atomic size of an element depends on the nuclear charge of that element. This is because, more nuclear charge means more protons, and more protons can hold more electrons of opposite charge. If there are more electrons in the atom of an element, its atomic size increases.

4.Due to increase in nuclear charge electronegativity should increase. On the other hand due to increase in number of shells electronegativity should DECREASE. However the EFFECT of increase in number of shells dominates over increase in nuclear charge. As such on moving down a group electronegativity decreases.

5.So, combining atoms of a compound have nearly similar electronegativities the bond between them is covalent.

Explanation:

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Answer:

2:1

2H2O:O2

Explanation:

The difference in due to the fact that one water MOLECULE has two HYDROGEN ATOMS to one oxygen atom . This MEANS it takes two water molecule to make one oxygen molecule

Answer:

The SCOURING of the SHEEP's hair is DONE to remove grease, DIRT and dust.

Explanation:

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ANSWER:

HI MATE

here is your answer

Answer:

Perception is the SENSORY experience of the world. It involves both recognizing environmental STIMULI and actions in response to these stimuli. ... Perception not only creates our experience of the world around US; it allows us to act within our ENVIRONMENT.

Answer:

Pentane has three structural ISOMERS that are n-pentane, Iso-pentane (methyl BUTANE) and neopentane (DIMETHYLPROPANE).

कारखाना भेट अहवाल लेखन ? please answer me in FULL form means BIG answer I REQUIRED this answer

Explanation:

कारखाना भेट अहवाल लेखन ? please answer me in full form means big answer I required this answer

ANSWER:

The NATURAL LOGARITHM of 0.9 is -0.10536051565783 or LN(0.9) = -0.10536051565783.

ACTIVE metals in the reactivity series are not easily CORRODED as COMPARED to the metals placed below HYDROGEN.

ANSWER:

EXPLANATION:

SORRY don't KNOW

ANSWER:

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ANSWER:

the CORRECT answer is 69

ANSWER:

Compound X is ethanol

Compound Y is ethene

Compound Z is hydrogen gas.

C2H5OHsulphuric acidC2H4+H2O

Hot concentrated sulphuric ACID is a strong dehydrating agent. It REACTS with ethanol to give ethene by removing water.

C2H5OH+Na→C2H5ONa+H2

Answer:

A balanced diet consists of six MAIN nutrient groups; proteins, carbohydrates, lipids, vitamins, minerals and water. Dietary reference values (DRVs) comprise a range and an estimated average of RECOMMENDED daily INTAKE levels for nutrients and energy for males and females at different STAGES of their life.

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Answer:

IDK the answer

Explanation:

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Answer:

EXPLANATION:

Hi gir.lzz you my sister is the ONE that is not so much about me promise you my LIFE will not come

ANSWER:

hlo MATE here's your answer

Explanation:

OPTION D IS CORRECT

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Answer:

The balanced chemical REACTION is S(s)+O2(g)→SO2(g)

1 mole of S reacts with 1 mole of O2 to FORM 1 mole of SO2.

Volume at STP is directly proportional to the NUMBER of moles.

Hence, 8 mole of S reacts with 8 mole of O2 to form 8 mole of SO2.

ANSWER:

PHOTOSYNTHESIS is the answer

ANSWER:

TRUE please MARK as brainlist and follow please

ANSWER:

General corrosion occurs when most or all of the atoms on the same metal SURFACE are oxidized, damaging the entire surface. Most metals are easily oxidized: they tend to lose ELECTRONS to oxygen (and other substances) in the air or in water. As oxygen is reduced (GAINS electrons), it forms an oxide with the metal.

ANSWER:

Explanation

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ANSWER:

BING snnhsjssvsbjsisgsbshgdnsjsgskhskqbbzjsvssugx

Answer:

b

Explanation:

alkanes are ALSO called SATURATED hydrocarbons

whereas hydrocarbons that CONTAIN MULTIPLE bonds alkanes,alkynes,aromatics

Answer:

Write the CELL REACTION and calculate the emf of the FOLLOWING cell at 25°C

C,1Ch21co:I Co, E-0.280V, E,= -0.74

Answer:

1- ACCORDING to law of conservation of mass "mass can NEITHER be CREATED nor be destroyed in a chemical REACTION"

2- Law of constant proportion states that a chemical compound always contains exactly the same proportion of elements by mass.

3-i) Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements.

ii)Atoms cannot be created or destroyed.

iii) Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.

4- Atom is the smallest UNIT into which matter can be divided without the release of electrically charged particles.

Answer:

• FOSSIL fuels are made from decomposing plants and ANIMALS. These fuels are found in the Earth's crust and CONTAIN carbon and hydrogen, which can be BURNED for energy. Coal, OIL, and natural gas are examples of fossil fuels.

Explanation:

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ANSWER:

Zinc oxide (ZnO) reacts with both ACIDS and with bases: In acid: ZnO + H2SO4 → ZnSO4 + H2O. In base: ZnO + 2 NaOH + H2O → Na2[Zn(OH)4]

Explanation:

YES SPOILING of food is a CHEMICAL reaction.

Answer:

Zinc oxide (ZnO) REACTS with both acids and with BASES: In acid: ZnO + H2SO4 → ZNSO4 + H2O. In base: ZnO + 2 NaOH + H2O → Na2[ZN(OH)4]

Explanation:

When Zinc oxide reacts with hydrochloric acid it forms zinc chloride and water. It also leads in the formation of small bubbles of hydrogen. This is double displacement reaction

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EXPLANATION:

the branch of chemistry that DEALS with the RELATIONS between ELECTRICAL and chemical phenomena.

Explanation:

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ANSWER:

I am watching OTP the LOTTERY PART 2

Answer:

holozoic NUTRITION

Amoeba takes its nutrition through a process called phagocytosis where the entire organism swallows the FOOD it PLANS on eating up. The mode through which an amoeba ENGULFS nutrition is known as holozoic nutrition. It leads to the process of ingestion, digestion and egestion of food material.

Explanation:

Answer:

The emission spectrum of atomic hydrogen has been divided into a number of spectral series, with wavelengths GIVEN by the RYDBERG formula. These OBSERVED spectral lines are due to the electron making transitions between TWO energy levels in an atom

ANSWER:

E-coli is CORRECT answer

ANSWER:

OPTION 3 is the CORRECT answer

EXPLANATION:

ALUMINUM FOIL is known to be a conductor of electricity, which means that electrons can move freely through the material when a charge is APPLIED to it. This is opposed to INSULATORS, which don't allow charges to move freely through them.

ANSWER:

(NH4)2CO3

Explanation:

MOLAR MASS: 96.09 g/mol

Soluble in: WATER

ANSWER:

i do not no what these QUESTIONS are

Explanation:

I THINK so the OPTIONS are incorrect

the answer would be b and C

and in c) if it is ACRYLIC FIBRE then the answer would be only b)