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Answer:

5 DEGENERATE orbitals

Explanation:

Answer:

RANGE Or Cell Rage Is A Group Of CELLS. For Example A3:D6.

To select The Entire WORK Sheet, Press Ctrl+A Or Press Ctrl+Shift+Up Arrow And Then Press Down Arrow In The Place Of Up Arrow.

Explanation:

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Answer:

OPTION (a)

BECOZ PHYSICAL changes are not ALWAYS reversible

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ANSWER:

color

Explanation:

it will change to red when heated at HIGH temperature

ANSWER: d) COMPOSITION

EXPLANATION: it does not describe the physical PROPERTY of the said substance

Answer:

Molecule

Explanation:

It can EXIST independently

Molecules of most elements are made up of only one of atom of that element. Oxygen, ALONG with NITROGEN, hydrogen, and chlorine are made up of TWO atoms.

Answer:

Council MINISTERS advise the PRESIDENT in EXERCISE of his powers. They are responsible to LOK sabha and administrations affairs.

Explanation:

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ANSWER:

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Answer:

1. gold,COPPER,SILVER and most metals

2.(ii) The earth'crust

3. ZINC

4. alloy of zinc , copper and magnesium.

5. Tungsten

6. Oxygen(O2) and water(H2O)

ANSWER:

(a) rα ˃ RD ˃ rp (b) rα= rp˂ rd `` (c) rα= rd ˃ rd (d) rα=

Explanation:

A proton, a deutron and an α- particle having the same kinetic energy are MOVING in circular trajectories in

a constant MAGNETIC field. If rp, rd and rα denote RESPECTIVELY the radii of the trajectories of these particles,

then

(a) rα ˃ rd ˃ rp (b) rα= rp˂ rd `` (c) rα= rd ˃ rd (d) rα= rd = rd

ANSWER:

CHEMICAL formula

Explanation:

It indicates the KINDS of ATOMS and the NUMBER of each kind in a molecule of a compound

ANSWER:

something that is BUILT

for ex :- TAJ mahal

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ANSWER:

3*3*3*3*3*3*3*33 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3

what is this

Explanation:

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EXPLANATION:

hcgxgxgxgmdjtsjtshzfjsgjzgjxfxgx

CONCENTRATION of sugar solution in MASS/VOLUME

=

15

%

Mass of solute (sugar),

m

=

75

g

m

Calculating the volume of solution,

75

V

×

100

=

15

⇒

V

=

7500

15

=

500

m

l

=

0.5

L

which is the answer.

Explanation:

Atoms ALWAYS contain ELECTRIC charges,but we don't notice them until we makethem move from their NORMAL positions. PROTONS and electrons have the sameamount of charge, but their charges areopposite. When atoms become charged, only theelectrons move from ATOM to atom.

It INCLUDES public health,police,hospitals ,trade,COMMERCE,AGRICULTURE etc.

it's 3

H3PO3+3H2O= 3H3O+ and PO3

Answer:

carbon dioxide

Fire extinguishers CONTAIN different chemicals, depending on the application. Handheld extinguishers, which are commonly sold at hardware stores for USE in the kitchen or GARAGE, are pressurized with nitrogen or carbon dioxide (CO2) to propel a STREAM of fire-squelching agent to the fire.

ANSWER:

idk

Explanation:

Answer:

As you can SEE, METALLIC radius is defined as one-half of the distance between the nuclei of two atoms in crystal or between two adjacent METAL ions in the metallic lattice. Metallic radii: - DECREASE across the period due to INCREASE in the effective nuclear charge.

Explanation:

Explanation:

Go outside or PREPARE for some clean-up inside.

Put the CONTAINER into the volcano at the top.

Add TWO spoonfuls of BAKING soda.

Add about a spoonful of dish soap.

Add about 5 drops each of the red and yellow food COLORING.

Answer:

Explanation:

To separate the components we have to use the following methods:

A. First dissolve the mixture in water. SODIUM chloride will dissolve then do the PROCESS of filtration.

B. First use magnetic Separation method to separate IRON fillings. Then use sublimation method to separate naphthalene.

C. First use sedimentation method . Sand will settle at the bottom. Then by decantation separate sand. Then by evaporation separate oil from water.

D. Use a separating funnel. PETROL being lighter than water will float . And depending upon the densities these will get separated.

E. So the process of evaporation. Water and sugar will be separated.

NOTE:- Sublimation is the process of converting a solid DIRECTLY into gas or vice-versa.

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ANSWER

locas MEANS SLANG

Answer:

EVAPORATION is technique

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ANSWER:

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You are not giving the OPTIONS here

So,the answer is⬇⬇⬇

Electric current produces magnetic current, a tester can be prepared by using a compass NEEDLE. The deflection of the magnetic needle can be SEEN, even when current is small. Distilled water is poor conductor of ELECTRICITY.

Answer:

The Electrical CONDUCTANCE in a LIQUID solution DEPENDS on the concentration of IONS with high mobility.

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ANSWER:

ELECTRON PAIRS ..........

Explanation:

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Explanation:

18.01528 grams of water per mole of water. From there, you can GO from moles to molecules USING 6.022×1023 molecules in a mole

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Answer:

a. Fe+H20 gives Fe3O4 +H2

B.2PbO+C→2Pb+CO2 2 P b O + C → 2 P b + C O 2

c.Mg + 2HCl => MgCl2 + H2

d.2Na + 2H2O ==> 2NAOH + H2

e.CuSO4 + Al gives AL2(SO4)3 + Cu.

f.S + O2---> SO2

g.Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O.

h.Cu2S+O2 --> 2Cu+SO2

ANSWER:

NACL is the FORMULA of SALT...

ANSWER:

Answer- C) Single Displacement REACTION

Explanation:

Explanation- In an Single Displacement reaction one element DISPLACES other element from an compound and takes it place in the compound . Here Zinc ( Zn ) displaces IRON ( Fe ) from Iron Sulphate

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Answer:

ONE mole of H2O is made up of 2 moles of Hydrogen ATOMS and 1 mole of Oxygen atom.

Mass of 1 mole of Hydrogen atoms= 1 g /mol

Mass of 1mole of Oxygen atoms = 16 g/mol

Mass of two moles of Hydrogen atoms = 2X 1 g/mol = 2 g/mol.

Mass of one mole of Oxygen atoms = 1 x 16 g /mol

Mass of one mole of water = 2 g/mol + 16 g/mol = 18 g/mol

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ANSWER:

(C) single displacement reaction

Explanation:

as a single element REPLACES ANOTHER element from its compound

ANSWER:

There are 6.022×1023 MOLECULES in a MOLE. There are 18.01528 GRAMS of water PER mole of water.

there 3moles are in 54g

and 18,481.518 molecules are there

ANSWER:

Explanation:

23g and CL is 35 5 G

Answer:

A change in temperature of 1°C is exactly the same as a change in temperature of 1 K. They are defined to be the same size. The only difference is where the TWO scales have their ZERO. Absolute zero temperature is 0 K.

For Celsius, 0°C is the freezing POINT of water. That turns out to be at an absolute temperature of 273.15 K.

Water BOILS at 100°C. So that is 373.15 K.

If you have any temperature expressed in °C, you just add 273.15 to that to CONVERT it into absolute temperature in kelvin.

ANSWER:rayon

Explanation:

ANSWER:

which CLASS do you STUDY

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As per given
Atomic NUMBER of an element E Is 16.
Also we KNOW that
Atomic number=no. of ELECTRON present in the element.
This means the given element has electron=Atomic number of E
So no. of electron in E are 16.

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Answer:

SULPHUR and IRON can EXHIBIT VALANCIES of 2,4 and 6

ANSWER:

ATTACHED IMAGE of SOLUTION.......

ANSWER:

MASS off the solution

Explanation:

C

ANSWER:

from which SCHOOL you are

Explanation:

DAV DPS

Answer:

If hydrogen GAS is passed over heated COPPER oxide (CuO), the black COATING on the surface turns brown as the reverse reaction TAKES PLACE and copper is obtained.

Answer:

SOLUTION A is 4 times more ACIDIC than B

ANSWER:

MGCL2..............

Explanation:

Molybdenum, element number 42 of the periodic table, lies in the table's second TRANSITION series, in Group 6B between CHROMIUM and tungsten.