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A type of reaction in which two metals or replaced by two another ATOM is called DOUBLE displacement reaction .
Ex - Nacl + AgNo 3 => NaNo3 + AGCL
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H2SO4=Sulphuric acid
Ca(OH)2= CALCIUM hydroxide /LIME water
HCl=hydrochloric acid
NaOH=sodium hydroxide
KOH= POTASSIUM hydroxide
NH4OH= Ammonium hydroxide
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Dry food items like buosciuts do not get spoil because they do not CONTAIN FATS and oils ALSO they are packed with NITROGEN gas

A large proportion of the life on EARTH OCCURS in water. Algae CARRY out vital activities like photosynthesis in water and sustain life on earth. They create conducive conditions for other organisms to SURVIVE. 

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Plants release oxygen by taking the carbondioxide through the process of photosynthesis. This oxygen help animal SURVIVAL. Plants also MAINTAIN the BALANCE of carbondioxide in the atmosphere .That is why forest is called GREEN LUNGS. ... That is why forests are called “green lungs”.

A) According to the above passage, we can tell that Master 'X' MAY have heart attack, hypertention, cholesterol and deficiency of important nutrients and living near PUBLIC toilet may cause him diarrhea due to some microorganisms

B) To prevent the deseases he and his family have to take a BALANCED diet that will give them all nutrients in equal amounts.

C) As the father of Master 'X' is DRUNKARD, his liver can get damaged and may die before his life span

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Döbereiner's triads were an early attempt to sort the elements into some logical order by their physical properties. In 1817, a letter REPORTED Johann Wolfgang Döbereiner's observations of the alkaline earths; NAMELY, that strontium had properties that were intermediate to those of calcium and barium.[1] By 1829, Döbereiner had found other groups of three elements (hence "triads") whose physical properties were similarly related.[2] He also noted that some quantifiable properties of elements (e.g. atomic weight and density) in a triad followed a trend WHEREBY the value of the middle element in the triad would be EXACTLY or NEARLY predicted by taking the arithmetic mean of values for that property of the other two elements.

Predicted vs actual atomic mass of the central atom of each triad

any of several TYPES of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, USED in LENSES and other COMPONENTS of optical SYSTEMS.

When TWO or more cells are JOINED together , the combination is called a BATTERY. In a dry cell the upper part is positive and the lower part is negative electron. When we connect three dry cells in the circuit the bulb will lighten up with more brightness. This circuit includes three dry cells, WIRE, bulb and a switch.

The given question has four pairs of acids and four pairs of types of substances.

It is given to matchingthat INCORRECT manner.

We know, Tamarind contains Tartaric acid, Curd contains Lactic acid, LEMON contains CITRIC acid and VINEGAR contains Acetic acid.

So the MATCHING table will be as follows- 1. Tamarind -- c) Tartaric Acid, 2. Curd -- d) Lactic Acid, 3. Lemon -- b) Citric Acid, 4. Vinegar -- a) Acetic Acid.

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An element that has both metallic and NON metallic PROPETIES....
Like : silicon,boron, arsenic..

ANSWER:

Through diffusion and osmosis

Explanation:

Movement of substances in the CELL is made possible through diffusion

Diffusion ENABLES movement of substances such as water, carbon dioxide and oxygen within, in and out of the cell.

Diffusion is the PROCESS through which substances move from a REGION of high concentration to a region of lower concentration.

A quick flick through any edition of a Shakespeare play is a visual reminder that all his drama is written using both prose and verse. On the page, the prose runs continuously from margin to margin, while the verse is SET out in narrower blocks, neatly aligned on the left (where lines all begin with capital letters), but FORMING a slightly ragged right-hand edge. It’s easy then to distinguish between the ‘natural’ mode of prose, where the LAYOUT is determined only by the width of the page or the CHANGE from one speaker to another, and the ‘artificial’ mode of poetry, where the length of the line is measured in some other way.

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FIND the focal LENGTH of a CONVEX mirror whose radius of curvature is 32 cm

Answer

✔️Given radius of curvature = 32 cm

✔️ To find the focal length of the conver mirror

Radius of curvature = 2 x focal length

✔️ R = 2 f

f = R/2

✔️ 32/2 = 16 cm

☑️ The focal length of the convex mirror is 16 cm

Because our SKIN BURNS and we FEEL PAIN

According to me, silver FOIL is NOTHING but a thin sheet of silver.

When considering about its MAKING, Varakh or silver foil is generally famous in India because it adds up glitter to the supari (BETEL nut), Indian sweets (mithai), paan (betel-leaf) as well as fruits.

In addition to that, it is also EMPLOYED widely in ayurvedic medicines as well as on the deities of several join temples.

Materials Used For Making Dentures Home / Dentures / Blog. DENTURE bases are made up of PMMA (Polymethyl Methacrylate) RESIN also KNOWN acrylic resin. Conventional resins have been modified by rubber reinforcement to improve their mechanical properties.

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at the 1/2 of the stage the GRAVITATION force between the earth and the star will be the GREATEST.

A TREATMENT with a VACCINE to PRODUCE IMMUNITY against a DISEASE.

The connection between voltage, current, and resistance is illustrated by Ohm's law. Ohm's laws declare that the current through any two POINTS of the conductor is directly proportional to the potential difference APPLIED over the conductor, given the PHYSICAL conditions i.e. TEMPERATURE, etc. do not change and remains constant.

Spinal CORD does THREE types of functions. it carries MESSAGE signals of motion from your brain to your body parts. it returns sensory signals from body parts to your brain. it PERFORMS reflexive actions.

Spinal cord does three types of functions

it carries message signals of motion from your brain to your body parts.

it returns sensory signals from body parts to your brain.

it performs reflexive actions

The working of a Kaleidoscope is based on properties of light.

This kaleidoscope is MADE using LOTS of small mirrors which are loosely arranged and moves as per SPECIFIC ANGLES with some objects to CREATE images and patterns.

These patterns and colors are formed when the mirrors reflect light.

fibre is a HAIR LIKE strand from which all FABRICS are MADE

Robert HOOKE FRS was an english natural philosopher,ARCHITECT and polymath.

Sir Joseph John Thomson KNOWN as J J Thomson OM PRS was an english physicist and NOBEL Laureate,credited with the discovery and identification of electron and with the discovery of the first subatomic practical.

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INTRODUCTION REFERS the formal meeting with SOMEONE new , EX: asking whats your NAME .

Not every stainless STEEL vessel at the INDIAN kitchen SEEMS to have copper coated bottom.

Copper coating helps in faster heat conduction & more EVEN heating of the vessel however it add up more cost.

However, the stainless steel VESSELS seem to have longer life however it is not upgraded yet in several kitchens.

REGULAR REFLECTION.............................

A food web CONSISTS of many food chains. A food CHAIN only follows just one path as animals FIND food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food webshows the many different PATHS plants and animals are connected.
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The samples of soil are usually collected from the surroundings. Now, the soil is checked whether it is neutral, alkaline or acidic in nature.

After ANALYZING the soil, we can see that the soil is slightly acidic in nature. So, the average pH of this particular soil is normally 5/6 so it is acidic.

Whereas some SOILS are also present which are BASIC in nature i.e. pH around 8. But, the soil will GENERALLY not be neutral.

HOMOGENEOUS MIXTURE:

It is made up of 2 or more substances where they are COMPLETELY mixed together and don't REACT with each other.

It's composition REMAINS uniform throughout.

The components of the mixture can't be seen.

The components of the mixture can't be separated even by visible boundaries.

Example:Mixture of salt and WATER.


HETEROGENEOUS MIXTURE:

In this mixture the substances remains separated from each other and ONE substance spreads throughout the other as tiny particles.

The composition doesn't remain uniform throughout.

The components of the mixture can be easily seen.

The components can be easily separated by physical processes and visible boundaries.

Example:Mixture of sand and water.

The Five Types of Human Teeth & Their Function

Incisors. Incisors are often the first adult teeth that grow in after our primary teeth, or baby teeth, and MAKE up most of our smile. ...CUSPIDS / CANINES. ...Molars. ...Premolars / Bicuspids. ...Wisdom Teeth / Third Molars.

X=sodium sulphate
Y=barium sulphate
It is a DOUBLE DISPLACEMENT REACTION

When agricultural waste put in compost PIT, after a few days it becomes organic matter which is CALLED compost.

Compost is decomposed organic MATERIAL.

Composting is a NATURAL process in which Bacteria, fungi and other microorganisms help the organic matters to break down into SIMPLER substances.

After deep sleep, your brain starts to perk up, and its electrical activity starts to resemble the brain when it is awake.

This is the period of the night when most dreams happen.

In this STAGE of SLEEPING our eye LIDS are MOVING and your lucid dreams occur at this stage and your heart RATE and respiration increases.

Homogenous:
1. All of its componenets are mixed uniformly throughout.
2. There is no CLEAR BOUNDARY of separation between it's COMPONENTS.
3. The components cannot be seen by NAKED eyes.
4. EXAMPLE: alcohol in water, sugar in water, salt in water etc

Heterogeneous:
1. Its components are not mixed uniformly throughout.
2. There are visible boundaries of separation between it's components.
3. The components can be seen with naked eyes.
4. example: sand in soil, etc

We need to balance because SKELETON equation do not obey law of conservation of mass so we need to balance to obey the law of conservation of mass and also MAKE the equal AMOUNT of ATOM on LHS and RHS

NEET is the only WAY through which you can join MBBS , BDS etc in Govt and PRIVATE colleges other than AIIMS & JIPMER . 
Some 13 lac+ candidates are TAKING NEET 2018 for AROUND 60k seats in all colleges , Govt and private .

Baking powder is used to cure bee stings and ANT BITES that are acidic in NATURE. Toothpaste CONTAINS bases that neutralise the acid produced by bacteria in our mouth. Baking powder is usually used to help the cakes rise. Conditioner is used with shampoo to prevent small scales on hair which make you hair unmanageable.
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Lime water is SOLUTION of Calcium Hydroxide ALMOST as clear as water When Carbon di OXIDE GAS is passed through it it TURNS milky ....☺️☺️

Group flood BLUNT knife pressure sharp NEEDLE relative density HECTOPASCAL group HIGHER pressure ATMOSPHERIC

Swachh Bharat Abhiyan is a CAMPAIGN LAUNCHED by the Prime Minister, Narendra Modi as a nationwide cleanliness campaign. It is implemented to fulfill the vision andmission of CLEAN India a day. ... It is big CHALLENGE for all the CITIZENS of India.

GIVEN diagram explains refraction through GLASS SLAB