Explore topic-wise InterviewSolutions in Current Affairs.

ANSWER:

a) -7/7 = -1

b) 19-7/5=12/5

c)

You haven't GIVEN the PIC of FIGURE BRO

ANSWER:

1. Na2O
2. Alcl3
3. Na2S
4. mg(OH)2

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ANSWER:

the vegetation are EFFECTED

no rainwater harvesting can B done

the climate is not in MODERATE state

rivers are ALSO effected

ANSWER:

all are LUMINOUS EXCEPT BOOK and matchstick

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ANSWER:

The angle between the incident RAY and the NORMAL is known as the angle of INCIDENCE. The angle between the reflected ray and the normal is known as the angle of reflection. ... The law of reflection STATES that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection

Periodic MOTION= a recurrent motion in which the intervals of TIME required to COMPLETE each cycle are EQUAL

ANSWER:

a

Explanation:

by the TEXTUAL ANSWET

ANSWER:

NAME.................

EXPLANATION:

PLEAS SUSCRIBE it and it is HELPFUL

Answer:

ionosphere

Explanation:

this layer contains OZONE layer which GETS HOLED DUE to the overconsumption of cfc and carbon dioxide

Answer:

the angle of INCIDENT , angle of REFLECTION and normal lie at the same plane

angle of incident = angle of reflection

Answer:

MISUSE of any technology can lead to curse.Plastic was thought to be a BOON but it turned out to be a curse. Plastic can be very harmful as it produces harmful gases when it is BURNED. As it is non bio degradable,

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Answer:

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between ATOMS. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and REPULSIVE forces between atoms, when they SHARE ELECTRONS, is known as covalent bonding

Answer:

1. During the disinfection process of water few chemicals are used to kill microorganisms PRESENT in water.

2. The primary DISINFECTANT used are CHLORINE GAS, chlorine dioxide, and ozene.

Answer:As we know that ,

Potential energy =mgh

Take g= 10 m/s^2

Now ,

P.E = 40 ×10×5 =2000J

And K.E at half way = mgh

Where H is half means 2.5

K.E = 40 ×10×2.5

= 1000 J

Explanation:

Here ,J is joule that is unit of WORK done.And at the end K.E is equal to P.E so I took K.E equal to mgh

If answer is WRONG or I went SOMEWHERE wrong just LET me know

An applied force is an INTERACTION of ONE object on ANOTHER that CAUSES the second object to change its velocity.

A resistive force passively resists motion and works in a direction opposite to that motion.

An inertial force resists a change in velocity

ANSWER:

NaOH + H2O = NA(OH)2 +H2

CaO+H2O= Ca(OH)2+H2

here bth HYDROGEN gas is liberated

Answer:

EXPLANATION:

They are of TWO types: CONTACT and non-contact forces.

The extraction of the metal from BAUXITE involves the three main steps.

Concentration of Bauxite \left( {Al}_{2}{O}_{3}.2 {H}_{2}O \RIGHT)(Al2O3.2H2O)

Concentration of ore is done by leaching which helps in removing impurities like {Fe}_{2}{O}_{3}, Si{O}_{2}Fe2O3,SiO2, etc. Bauxite is treated with NaOHNaOH to form SODIUM aluminate which on further reaction with C{O}_{2}CO2 gives pure Alumina.

{Al}_{2}{O}_{3} + 2 NaOH + 3 {H}_{2}O \longrightarrow 2 Na \left[ Al {\left( OH \right)}_{4} \right] \xrightarrow[-2 NAHC{O}_{3}]{2 C{O}_{2}} {Al}_{2}{O}_{3}.x{H}_{2}O \xrightarrow[1470 \; K]{\Delta} \underset{\text{Pure alumina}}{{Al}_{2}{O}_{3}} + x {H}_{2}OAl2O3+2NaOH+3H2O⟶2Na[Al(OH)4]2CO2−2NaHCO3Al2O3.xH2OΔ1470KPure aluminaAl2O3+xH2O

ELECTROLYTIC reduction of Alumina \left( {Al}_{2}{O}_{3} \right)(Al2O3)

Electrolytic reduction of pure alumina takes place in iron box (cathode) with cryolite \left( {Na}_{3}Al{F}_{6} \right)(Na3AlF6) and fluorspar \left( Ca{F}_{2} \right)(CaF

ANSWER:

Explanation:320g+40g=360g

MASS of SOLUTE /mass of solution

40g/360g(100)

11.11%

Answer:

EXPLANATION:

AIDS stands for Acquired immune DEFICIENCY syndrome is a syndrome CAUSED by a virus called HIV(human immunodeficiency virus). The disease AFFECTS the immune SYSTEM, making people much more vulnerable to infections and diseases

methodof CONSTRUCTING FACTORS

Answer:

world WAR 3 honee kee CHANCE abhii jyada nhii HAAA 60 40 HAII

ANSWER:

ANSWER:

LENS.......

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Answer:

DISPLACEMENT reaction

Explanation:

becoz FE is more reactive than hydrogen .so it displaced H from H2O

Answer:

1. SAPONIFICATION means process of preperation of SOAP and esterification means process of preperation esters.

2. saponification INVOLVES reaction between CARBOXYLIC acid and a base WHEREAS esterification involves reaction between alcohol and carboxylic acid.

3.esterification needs  as a catalyst whereas saponification do not need.

Explanation:

There are only 3 differences

Answer:

Very much RAINFALL in any PLACE

EXPLANATION:

for example the Amazon FOREST in Africa

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ANSWER:

you can GOOGLE it........

ANSWER:

REASON is CORRECT and ASSERATION is INCORRECT

ANSWER:

A)

a) ELECTRIC motor

b) IRENESS

B)

a) false

b) true

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ANSWER:

Essential WHORLS of flower :

Androesium & Gynoecium

Answer:

Because DENSITY of WATER is more WOOD but less than stone .

Therefore stone sank but the wood not .

ANSWER:

why u wanted to KNOW ask ur MOTHER about it don't ask this QUESTION here

ANSWER:

Your QUESTION is not at all CLEAR.......

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The PERSONS having MYOPIA USE the SPECTACLES of CONCAVE lenses.

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Ans

a

EXPLANATION:

as their is no QUESTION

Answer:

The feed BACK , means the REPORT or description of SOMETHING which was provided by SM1.

E.g. you give feedback to bràíñly about ur problems or the good EXPERIENCE...............

And the mechanism that helps to take or give feedback is called feedback mechanism.

Pléàsé màrk às bràíñlìest âñswérrrr..................................

EXPLANATION:

bio

chem

phy.........

ANSWER:

Hye♥♥

Here is the correct order :-

Paddy field - Grasshopper - Frog - Snake - Eagle.

Paddy field represent the primary PRODUCERS and are plants

Grasshopper is a primary Consumer.

Frog is secondary consumer.

Snake is tertiary consumer.

Eagle is quaternary consumer.

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Answer:

Yes this condition is CALLED adaptation

EXPLANATION:

EVERY organisms in the word adapt to the changes around them.

e.g..If two kittens born to a single mother is being separated and had been left one in village and another in forest.after a few yrs u COULD FIND the diff. bw the kittens by their activity

Answer:

One joule of work is defined as the AMOUNT of energy exerted when a force of one NEWTON is applied over a DISPLACEMENT of one meter.

..

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ANSWER:

MAY this HELP you THANKS..............

Answer:

WATER used by most of the INDUSTRIES is drawn from the GROUND thus depleting water table. PRESSURE on agriculture forces increasing use of groundwater day by day. This results indepletion of water table.

Answer:

optical telescope is a telescope that gathers and focuses light, mainly from the visible part of the electromagnetic spectrum, to create a magnified image for DIRECT view, or to make a photograph, or to COLLECT data through electronic image sensors.

There are three primary types of optical telescope:

1. refractors, which use lenses (dioptrics)
2. reflectors, which use mirrors (catoptrics)
3. catadioptric telescopes, which COMBINE lenses and mirrors

Explanation:

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Answer:

Explanation:

ncreasing Industries: Water is used by all the industries. Almost everything that we use needs water some where in the production process. The NUMBER of industries is increasing continuously. Water used by most of the industries is drawn from the ground thus depleting water table.

(ii) Agricultural Activities: A majority of farmers in India depend upon rains for irrigation of their crops. Irrigation systems such as canals are there only at few PLACES. Even these systems may suffer from lack of water due to erratic rainfall. Therefore, farmers have to use groundwater for irrigation. Population pressure on AGRICULTURE FORCES increasing use of groundwater day by day. This RESULTS in depletion of water table.

<P>Explanation:

The ionization potential (IP) depends on atomic radius.

• IP increases as each ELECTRON is REMOVED from the valance shell.
• More the electrons SHIELDING of the outer electron, the less energy required to expel out an electron from the atom.
• As shielding effect increases from s to p to d to F (s

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ANSWER:

FIND UR answer below..

A.layering

B. ANTHER