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Thomson's THEORY contains that atoms has ELECTRONS while Rutherford's theory explain that atoms had NUCLEUS and electrons orbit the nucleus
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It is important to note that the linear FORM of glucose MAKES up LESS than 0.02 % of the glucose molecules in a water solution. The rest is ONE of two cyclic forms of glucose that are formed when the hydroxyl group on carbon 5 (C5) bonds to the aldehyde carbon 1 (C1).

To reduce the PROPORTIONS of NITROGEN & oxygen which may CAUSE nitrogen NARCOSIS ; helium is ADDED

An ATOM is the SMALLEST constituent unit of matter. Every atom is composed of a nucleus and one or more electrons which revolves around it continuously. 

An element is a chemical substance consisting of atoms having the same number of PROTONS in their nuclei. So, it is pure as made up only of the same types of atoms. 
For EXAMPLE: Hydrogen element is made up of two hydrogen atoms. There are currently 118 elements exist of which 94 are found in nature while 24 are synthetic.

A group of two or more atoms are COMBINED by chemical bonds to form molecule. They are electrically neutral i.e. neither positively nor negatively charged. They may be made up of same atoms or different atoms. 

When two or more elements combined by chemical bonds form a chemicalcompound. For example: Two atoms of hydrogen are combined with single atom of Oxygen to form water.

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P-dichlorobenzene has highest melting POINT DUE to its symmetry and structure which is followed by ortho and then meta.
Simply Para > Ortho > Meta
And the interesting thing is melting point is DIRECTLY proportional to symmetry of COMPOUND. Therefore symmetry of compound goes in same MANNER as melting point.

Hey MATE here is your answer...
Because IGNITION temperature of PAPER LESS.

The process that Meena wants to setup is Electro plating .

So needs to follow the following precautions if silver is to be deposited on iron SPOON:

1.  The metal object on which electroplating is to be done should be CONNECTED at cathode [ negative electrode] ---- so spoon at cathode

2. The metal whose LAYER is to be deposited should be connected to positive terminal [ anode] --- so silver metal electrode at anode.

3.A water soluble salt of metal to be deposited is TAKEN at ELECTROLYTE ----so silver nitrate solution is taken as electrolyte.

RED CABBAGE LEAVES,TURMERIC,ETC

80 percent of water after the the avparate is the SUGUR AMOUNT is the 20 because IS10 perscent

DOUBLE DISPLACEMENT REACTION.

The sodium (Na) ATOM transfers oneelectron to the chlorine (CL) atom, in order to attain COMPLETE octet . With the transfer of the electron, HOWEVER, they BECOME electrically charged, and combine into salts through theformation of ionic bonds.

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your answer is - - - - -

NaCl is the chemical FORMULA for sodiun chloride or common salt. NA is sodium and Cl is chlorine. .it is REPRESENTING a 1:1 of sodium and chlorine ions..

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To INCREASE the PRODUCTIVITY of PRODUCTS

A)AL2(SO4)3
b)MgCl2
c)H3PO4
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Perfect Fuel

How Can Hydrogen Help?

To eliminate the human contribution to both the greenhouse effect and urban pollution we need a new clean energy based on renewable sources. To accomplish this, we need a new fuel and new ways of using it. Over the last 150 years, the trend in energy use has been toward reducing carbon consumption and increased use of hydrogen. Each dominant fuel, from wood to coal to oil and, perhaps, to natural gas, has contained more and more hydrogen and less and less carbon. Each successive fuel has been cleaner and more powerful.

The better environmental efficiency of our fuels has, however, been completely offset by the growth in energy consumption worldwide, which can only accelerate as the standard of living increases in the emerging economies of China, India and others.

This clean energy can be found by following the trend to its natural limit and using pure hydrogen, a fuel with zero carbon content. Regardless of how much we use it, hydrogen will not produce the pollutants that have progressively degraded our environment in the past. Hydrogen has many potential energy uses, including powering non-polluting vehicles, heating homes and OFFICES, and fueling aircraft. City buses, automobiles and mining equipment are some proposed mobile applications that have progressed to demonstration. Home generators and large electrical generating systems represent emerging stationary applications.

In short, hydrogen has many applications and advantages. However, widespread use will require new ways to distribute hydrogen from the producer to the end user, fueling stations and many other new technologies, concepts and support facilities.

The Perfect Fuel?

Except for COST, hydrogen seems like a perfect fuel. The by-products of hydrogen combustion are electricity, water and heat. Although its low density makes efficient storage difficult, hydrogen has the largest energy of combustion per unit of mass. Energy conversion devices using hydrogen are highly efficient and produce very little or no harmful emissions.

As an energy carrier, hydrogen can be produced safely and ABUNDANTLY from diverse renewable resources such as hydroelectricity, in addition to solar and wind power. Since many of these are domestic sources, hydrogen can help decrease the dependence of nations on others for fuels, eliminating the political polarizations that arise from cartel pricing, conflicting ideological and economic policies and international hostilities. For the same reasons, hydrogen can join electricity as the FOUNDATION for a globally SUSTAINABLE energy system using renewable energy.

Combustion of hydrogen in internal combustion engines causes the formation of nitrogen oxides, which are produced at temperatures above 1300ºC. However the PEM fuel cell, which operates at much lower temperatures, does not produce nitrogen oxides and constitutes a perfectly clean energy conversion device. As far as the fossil fuels we use today are concerned, their reserves are finite and will run out one day. New ones may be found, but they will be more difficult to extract, driving their cost upwards. Furthermore, this finite supply of hydrocarbons is crucial to our economy as lubricants and synthetic materials, among others.

Why burn such useful chemicals? The negative environmental impact of hydrocarbon fuels has lead California to decree that by 2003, zero-emission vehicles (ZEV) must number 10% of an automaker's total vehicle sales. State regulations became the incentive that has lead to remarkably innovative vehicle technologies, the most promising of which is the hydrogen fuel-cell car.

The REACTION of iron with copper sulphate SOLUTION is displacement reaction.
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Because in this reaction iron displaces copper from it's salt solution and iron sulphate and copper are the PRODUCTS we get.

The STRUCTURE of SULPHIDE ION according to hybridation is linear

HII

GOOD AFTERNOON

ATOMIC NUMBER OF COPPER IS 29

An oxidizing agent is a SUBSTANCE that has ability to OXIDIZE other substances.In other words we can SAY that to cause them to lose ELECTRONS.

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The INCREASING order is k ,MG,AL,B

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to generate two gas flows with different FLOW RATES from compressed nitrogen by CONTROLLING nitrogen flow's pressure. For one flow, I can measure the flow rate, but another one has much higher flow rate which is out of range of flow meter. Is there anyway that I calculate the SECOND flow's flow rate from pressure? The pressure of two flows are separately controlled.

Flow Meter

Formula MASS of magnesium oxide is 40 (24 + 16). This 24 is the mass of magnesium and 16 is the mass of OXYGEN. So MgO is just the sum of mass of magnesium and oxygen.
We are told that 24 g of Mg produces 40 g of MgO when it reacts with 16 g of oxygen.
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At temperatures above −35.9 °C, xenon tetroxide is very prone to explosion, decomposing into xenon gas and oxygen with ΔH = −643 kJ/mol:

XeO4 → Xe + 2 O2

Xenon tetroxide dissolves in water to formperxenic ACID and in alkalis to form perxenatesalts:

XeO4 + 2 H2O → H4XeO6XeO4 + 4 NaOH → Na4XeO6 + 2 H2O

Xenon tetroxide can also react with xenon hexafluoride to give xenon oxyfluorides:

XeO4 + XeF6 → XeOF4 + XeO3F2XeO4 + 2XeF6 → XeO2F4 + XeOF4

Xenon tetroxide is a chemical compound ofxenon and oxygen with molecular formula XeO4, remarkable for being a relatively stablecompound of a noble gas. It is a yellowcrystalline solid that is stable below −35.9 °C; above that temperature it is very prone to exploding and decomposing into ELEMENTAL xenon and oxygen (O2).[4][5]

All eight VALENCE electrons of xenon are involved in the bonds with the oxygen, and the oxidation STATE of the xenon atom is +8. Oxygen is the only element that can bring xenon up to its highest oxidation state; evenfluorine can only give XeF6 (+6). Two other short-lived xenon compounds with an oxidation state of +8, XeO3F2 and XeO2F4, are accessible by the reaction of xenon tetroxide with xenon hexafluoride. XeO3F2 and XeO2F4can be detected with mass spectrometry. Theperxenates are also compounds where xenon has the +8 oxidation state.

Did you MEAN proseguere FORM ACTIVITY

In certain cases (eg, in pregnant patients with severehyperthyroidism), THYROIDECTOMY MAY be INDICATED becauseradioactive iodine and antithyroid MEDICATIONS may becontraindicated. It generally is reserved for patients with large GOITERS with or without compressive symptoms.

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Enantiomers are CHIRAL MOLECULES that are mirror images of one another. Furthermore, the molecules are non-superimposable on one another. This MEANS that the molecules cannot be placed on TOP of one another and givethe same molecule. Chiral molecules with one or more STEREOCENTERS can beenantiomers.

1 BURNING of wood , coal etc
2 reaction with CALCIUM CARBONATE and WATER after passing co2 in it

N=2,5
P=2,8,6
The most electronegative will P as it will have LESS positive charge than NITROGEN..
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Acidic STRENGTH of organic compounds MADE by the pH of organic COMPOUND

In group ELECTRONEGATIVITY DECREASE due to increase ENERGY levels
in period electronegativity increase due to GREATER charge
Na

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It's hybdrisation is sp³d...... bcoz the CENTRAL atom I,Cl has 4 lone PAIRS for which it requires 2 hybrid orbitals and to form 3 bonds with 3 atom of F it requires 3 more hybrid orbitals.... so total no. of hybrid orbitals =5......
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If its LIQUID other than ligued than its BROMINE
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Ammonia gas gives dense WHITE fumes with chlorine due to the formation of ammonium chloride and ammonium hydroxide reacts with COPPER hydroxide to GIVE tetrammine copper hydroxide which is deep blue in colour
NH3+H2O=NH4OH
CU (OH) 2+4NH4OH= [Cu (NH3) 4] (OH) 2+4H2O