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Answer:

again this? please SAY where the options are?????

Explanation:

As can be seen in the figures below, the atomic radius increases from TOP to BOTTOM in a group, and decreases from left to right ACROSS a period. Thus, helium is the smallest element, and francium is the LARGEST.....

accordingly...the largest elements containing atomic radius is the "FRANCIUM THE LARGEST AND HELIUM THE SMALLEST"

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ANSWER:

no

EXPLANATION:

you can use TEST tube for heating something for a several moments. Too much heat can break the test tube .

Answer:

calcium

Newlands' law of octaves was applicable only to lighter elements having ATOMIC masses upto 40 u i.e., upto calcium. After calcium, every eighth element did not possess PROPERTIES similar to that of the first element.

Explanation:

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Answer:

Three properties of the MIXTURE are:-

• The components of a mixture each KEEP their ORIGINAL properties.
• The separation of components can be easily done.
• The proportion of the components is VARIABLE.

ANSWER:

SORRY I can't SOLVE it

ANSWER:

Assuming that the percentage alcohol in the original solution is % by volume, 12ml of 12% alcohol solution contains 12 * 12 /100 = 1.44ml of PURE alchohol.

If we let X = the FINAL volume of the 6% v/v alcohol solution we wish to make then we can write the following EQUATION

6 = 1.44/x * 100

Multiplying both sides of the equation by x we get;-

6x=100*1.44

x=144/6 

x=24

Therefore if the final volume of the 6% solution is 24ml, we need to ADD;-

 (24-12) = 12 ml of water.

Explanation:

KERALA is a state on the southwestern Malabar Coast of India. It was formed on 1 NOVEMBER 1956,

Answer:

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a MAGMA chamber below the surface. Earth's volcanoes OCCUR because its crust is broken into 17 major, rigid TECTONIC plates that float on a hotter, softer layer in its mantle.

Explanation:

The main parts of a volcano include the magma chamber, CONDUITS, vents, craters and slopes. There are three types of volcanoes: cinder cones, stratovolcanoes and shield volcanoes.

homogeneous-

*PARTICLES are distributed uniformly

*We can’t judge a homogeneous mixture by just seeing it

*Homogeneous mixtures are ALSO called as solutions

*Uniform composition

*Example: rainwater, vinegar, etc

HETEROGENEOUS-

*Particles are distributed non uniformly

*We can judge a heterogeneous mixture by just seeing it

*Non-uniform composition

*Example: SEAWATER, pizza, etc

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ANSWER:

RED......................

❤Answer

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ANSWER:

TAKE your answer

Explanation:

the answer is LIQUIDS

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ANSWER:

Common SALT(NACL) is used for making kulfi?

ANSWER:

VITAMIN d is USED to cure BROKEN bones

ANSWER:

Bhaiyo ki ladayi rakhe leash mein waaste HAI apane sokh kyun ki TU gadi aaj phirte hai hawa vvich uddta hai mera PLANE

Answer:

It is IRREVERSIBLE.

Explanation:

An irreversible change is when you can't GET back that SUBSTANCE after doing ANYTHING. It is irreversible because you can get idli batter back after steaming that.

❤Answer

Freezing is reverse of melting

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ANSWER:

GOLD, Platinum and silver are used as JEWELLERIES and ornaments.

Iron and steel are used for construction purpose.

Aluminium, steel are used as utensils.

Mercury is used in THERMOMETER and helps to CHECK the temperature.

Aluminium are used as insulation wires.

ANSWER:

I THINK B is the RIGHT answer

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Answer:

Chemistry is important in everyday LIFE because : MANY of the changes you observe in the world around you are caused by chemical reactions. Examples include leaves changing colours,cooking food and getting yourself clean. KNOWING some chemistry can help you make day to day decisions that affect your life .

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ANSWER:

If you add more solute in a saturated SOLUTION, it will have no EFFECT. ADDITIONAL solute does not DISSOLVE in a saturated solution.

Answer:

Medicine: You need to understand basic chemistry so you can understand how VITAMINS, SUPPLEMENTS, and drugs can HELP or HARM you. Part of the IMPORTANCE of chemistry lies in developing and testing new medical treatments and medicines.

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ANSWER:

TEXTURE is MEMORY ROUS

Answer:

Immunotherapy is a type of CANCER TREATMENT that helps your immune system fight cancer. The immune system helps your body fight infections and other diseases. It is MADE up of white blood cells and organs and TISSUES of the lymph system. Immunotherapy is a type of biological THERAPY

Answer:

Hii...

Explanation:

The only DIFFERENCE between the molecules of the compound and the molecules of the elements is that in a molecule of an ELEMENT , all the atoms are same .For EXAMPLE : in a molecule of water there is one of oxgen atom and the two hydrogen atoms. But in a molecule of the OXYGEN both of the atoms are oxgen.

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Answer:

1

Explanation:

becouse of ONE molecule of HCL release ONLEY ome h30 ion on dissociation

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ANSWER:

not CLEARLY asked

Explanation:

Answer:

Following conservation of atoms of carbon,

27.6g K  

2

​  

CO  

3

​  

=  

138

27.6×12

​  

=2.4g carbon.

So, mass of PRODUCT forms K  

2

​  

Zn  

3

​  

[Fe(CN)  

6

​  

]  

2

​  

 =698×  

144

2.4

​  

=11.63g.

So, INTEGER VALUE is 12.

Explanation:

ANSWER:

nsjhshsnzjshsjanjsjsjsjsis

Answer:

CARBON

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ANSWER:

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ANSWER:

organiic

Explanation:

PROTEIN is EXAMPLE of ORGANIC COMPOUND

ANSWER:

NITROGEN, hydrogen

Explanation:

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Explanation:

Proteins can be classified as: (a) SIMPLE proteins. On HYDROLYSIS they yield only the amino ACIDS and OCCASIONAL small carbohydrate compounds. Examples are: albumins, globulins, glutelins, albuminoids, HISTONES and protamines

❤Answer

Because the interparticle space between the molecules are very apart from each other.

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EXPLANATION:

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ANSWER:

CALL her or REQUEST or MESSAGE from other NUMBER

Explanation:

It can be expressed in several ways: molarity (moles of solute per liter of SOLUTION); MOLE fraction, the ratio of the number of moles of solute to the total number of moles of SUBSTANCES present; mass percentage, the ratio of the mass of the solute to the mass of the solution TIMES 100; parts per THOUSAND (ppt), grams .

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ANSWER:

CHEMICAL CHANGE

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HYY MATE ✌️

matter is any SUBSTANCE that has mass and TAKES up space by having volume.

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❤Answer

New SUBSTANCE formed in chemical change.

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ANSWER:

The concentration of a solution is a MEASURE of the AMOUNT of solute that has been dissolved in a given amount of solvent or solution.

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Answer:

lack of oxygen- INCOMPLETE COMBUSTION

presence of oxygen- COMPLETE combustion

Answer:

here is your answer...

☑When the solid particles are large such that they cannot pass through the filter PAPER, solid and liquid mixtures are separated by the process of filtration.

SOMETIMES the solid particles in a liquid are very small and can pass through a filter paper. For such particles, the filtration technique cannot be used for separation. Such mixtures are separated by centrifugation.

✔ So, centrifugation is the process of separation of insoluble materials from a liquid where normal filtration does not WORK well.

☑The centrifugation is based on the size, shape, and density of the particles, viscosity of the medium, and the SPEED of rotation. The principle is that the DENSER particles are forced to the bottom and the lighter particles stay at the top when spun rapidly.

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ANSWER:

covalent bond.......... HOPE you have understand FOLLOW me for further HELP

ANSWER:

IONIC bonds in metals and covalent bonds in NON metals

Explanation:

ANSWER:

NA(+)     CL(-)

NaCl

Explanation: