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5951.

Write down the formulae of(i) sodium oxide(ii) aluminium chloride(iii) sodium sulphide(iv) magnesium hydroxide​

Answer»

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The FOLLOWING are the formulae:

(i) sodium oxide – Na2O

(ii) aluminium CHLORIDE – AlCl3

(III) sodium sulphide – Na2S

(iv) magnesium HYDROXIDE – Mg (OH)2

5952.

Read the given experiment and answerthe following question.Riya cuts a piece from a potato with an'eye' or bud, with shoots growing fromit. She puts it in a pot containing soil. Itwas then kept in the sunlight and wateredregularly. After some time she saw a potatoplant growing from it.What can be concluded from this experiment?(A) Potato is an underground stem.(B) In many plants, reproduction takesplace through vegetative parts like,stem.e Plants need sunlight and water togrow.(D) In many plants, reproduction takesplace through seeds.​

Answer»

ANSWER:

In many plants, REPRODUCTION takes

place through VEGETATIVE parts like,

stem.

5953.

In which amount of table salt and water will form an unsaturated solution???I need a whole answer​

Answer»

Answer:

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When compounds are synthesized, they OFTEN have contaminating materials mixed in with them. The process of recrystallization can be USED to remove these impurities. The crystals are dissolved in a hot solvent, forming a solution. When the solvent is cooled the COMPOUND is no LONGER as soluble and will PRECIPITATE out of solution, leaving other materials still dissolved.

5954.

Which animal has the largest tail inthe world this is a simple questionAnd follow me for simple question and more points​

Answer»

\huge{ \green{ \bold{ \underline{ \underline{ \overline{ \overline{ \pink{The \: Answer :  - }}}}}}}}

Giraffes

Giraffes have the longest tails of any land mammal—up to 8 feet (2.4 METERS)—but it's easier to think of the LENGTH of an ANIMAL's body in relation to its TAIL length, says Robert Espinoza, a biologist at California State UNIVERSITY, Northridge

5955.

Q.6 Write the taste and the substances and complete the table.Substances. Taste1. Lemon juice _______2. Sugar. _______3. ________ Salty4. Baking soda. _______5. _______ . Sour​

Answer»

Answer:.

lemon juice is acidic and hence it is sour to taste

sugar is a hydrocarbon which is sweet

(note: all hydrocarbons are not sweet)

common salt is salty

baking SODA is basic and is bitter to taste (tartaric acid is added to counter it)

vinegar is a acid and so it is sour to taste

Explanation:

HOPE it "HELPS"..................................

PLEASE hit "THANKS BUTTON"......................

PLEASE MARK AS  BRAINLIEST ANSWER BUTTON................

below para he was a cheater

5956.

11. One day Reeta went to a jeweller's shop with her mother Her thean old gold jewellery to the goldsmith to polish. Next day when thethe jewellery back, they found that there was a slight loss townCan you suggest a reason for the loss in weight?​

Answer»

ANSWER:

may be goldsmith had WASHED up the jewellery very HARDLY due to which it may be lost the weight .

EXPLANATION:

mark me as brain list

5957.

Electof a moving orto lighteneremechantee) Kinetic energy is a type ofheat enemy(HD) wundenengechanical2. Fill in the blankta) Force can change the directam ander(b)is the ultimate source of energy on the Earth(c) Our food is cooked byheat(d) Electricity produced in dams is also calledenergy runs a mixer grindersources of energy are inexhaustible3. Name the following:(a) The force that prevents us from falling off the Earth.(b) The force that opposes a moving object.(c) The capacity to do work.(d) The energy which enables us to run(e) The electricity generated by using water energySOSproduced in dams is also called kyboe babycity4. State true (T) or false (F):​

Answer»

Answer:

RECOMMENDED INCREASED provision in government's BUDGET for expenditure

on education of neglected SECTION like the SC/ST

5958.

All alkali metals are solids hur hydrogen is a gas with diatomiemolecules Do you justify the inclusion of hydrogen in first group withalkall metals​​

Answer»

Hydrogen as alkali metal?

The only thing hydrogen has in common with alkali metals is in having one electron in its outermost shell and having a valency (combining power) of one. Unlike the group one elements hydrogen is clearly not a metal (it is a gas at room temperature) and is a poor conductor of heat and electricity. It does not readily form H+ cations and forms covalent bonds in most compounds, whereas group 1 metals readily form cations and form only ionic bonds. Also, alkali metals form basic oxides while hydrogen oxide (water) is amphoteric (both acidic and basic).

Hydrogen as a halogen?

Hydrogen, LIKE the halogens, has one electron SHORT of a complete outer shell and can form H- ions like Cl- and therefore forms ionic compounds with reactive metals – NAH similar in structure to NaCl. Hydrogen also exists as a diatomic gas like fluorine and chlorine. However, here the similarity ends – hydrogen is a reducing agent while the halogens are oxidising agents, hydrogen reacts vigorously with oxygen but not with most metals while the reverse is true of the halogens. Furthermore, hydrogen oxide (water) is amphoteric, while halogen oxides are acidic only.

So hydrogen is neither an alkali metal nor halogen.

Position Of Hydrogen

1)Hydrogen is the first element in the periodic table.

2)It is the lightest element known.

3)It atomic form exists only at high temperature.

4)It exist as a diatomic molecule i.e. H2 .That is why it is also called dihydrogen.

5) It was discovered by Henry Cavendish in 1766.

6) Its electronic configuration is 1s1

Unique position of Hydrogen in periodic table

A PROPER position could not be assigned to it because of the following reason:

1) In some properties it resembles alkali such, it can be placed in group 1 of the periodic table along with alkali metals.

2) In some other properties, hydrogen resembles such, it can be placed in group 17 along with halogens.

3) In some hydrogen differs from both alkali metals and halogens.

Resemblance with alkali metals

Hydrogen resembles alkali metals i.e. Li , K , Na , K, Rb ,Cs and Fr of group 1 of the periodic table.

1) Electronic configuration : Like alkali metals, hydrogen also contains 1 electron in its outermost shell.

Hydrogen 1s1

Lithium 1s2 2s1

Sodium 1s2 2s2 2p6 3s1

2) ELECTROPOSITIVE character: Like alkali metals ,hydrogen also loses its only electron to form hydrogen ion i.e. H+

H ——-> H+ + e‾

Na ———-> Na+ + e‾

Hydrogen like alkali metals exhibit electropositive character.

5959.

(c) Coal is:(i) force(ii) form of energy(iii) non-renewable source(iv) renewable source of energy(d) Wind has:(i) light energy(ii) mechanical energy (iii) heat energy(e) Kinetic energy is a type of:(i) heat energy(ii) electrical energy(iv) mechanical energy(iii) sound energyFill in the blanks:(a) Force can change theand/or(b) –is the ultimate source of energy on the Earth.(c) Our food is cooked byenergy.(d) Electricity produced in dams is also calledenergy runs a mixer grinder.​

Answer»

ANSWER:

PLZ TELL me again your QUESTION I don't UNDERSTAND

5960.

पाउदूरीसमाय गाफ खी पिणइमाम2142/0 liminlamin 3min smithRRORIGINABRIसेलबल्ला,यटश संघोणी तार व रिक्व ओजकि प्रती नामाD​

Answer»

ANSWER:

OKAY I will INBOX UR answer

5961.

2) Match the Pairs[04]AnswersiiiColumn Aa) Areab) Symbiotic plantc) Soild) DensityColumn BPlasticityKilogram/cubic metreLichenSquare metreiv.tou​

Answer»

ANSWER:

AREA= square metre

Symbiotic plant = lichens

Density= kg/ CUBIC metre

soil=plasticity

Hope it HELPS....

5962.

How are non infectious diseases spread?can they be spread through sexual contact or from mother to a child?​

Answer»

ANSWER:

a radiance of Thine. Shine through me and be so in me that every soul I come in contact with may feel THY presence in my soul. Let them LOOK up and see no longer me but only Jesus. Stay with me and then I shall begin to shine as you shine, so to shine as to be a light to OTHERS. AMEN.

5963.

Working with the TextAnswer the following questions,1. The old farmer is a kind person. What evidence okindness do you find in the first two paragraphs.2. What did the dog do to lead the farmer to the hidden3. (i) How did the spirit of the dog help the farmer first(ii) How did it help him next?​

Answer»

Answer:

Answer the following questions,

1. The old FARMER is a kind person. What evidence o

kindness do you find in the first two paragraphs.

2. What did the dog do to lead the farmer to the hidden

3. (i) How did the spirit of the dog HELP the farmer first

(ii) How did it help him

Explanation:

in the QUESTION only answer is there CHECK it thoroughly

5964.

Explosion is a phenomenon in which - *Option 1inflammable substances burst with sound and produce heat.Option 2 inflammable substance produce only flameOption 3 inflammable subtances produce only heatOption 4 NONE OF ABOVE​

Answer»

ANSWER:

OPTION NUMBER ONE is the answer

5965.

2) Acan be detected with an electroscope3) Salt is atype of food preservative.of the air4) The capacity of air to hold moisture depends upon the- soil has pH 7104Q.2] Match the Pairs.AnswersiColumn Aa) Areab) Symbiotic plantc) Soild) DensityColumn BPlasticityKilogram/cubic metreLichenSquare metreiii.iv.(03]Q.3A) Find odd man out.a) Banana, apple, guava, almondb) Lava, hot mud, ash, locusts.c) Famine, earthquake, cloudburst, railway accident.104Q.3B] State whether following statements are True or False.or holding water​

Answer»

ANSWER:PLEASE mark me as BRAINLIST

Explanation:

2.charge

3.common or non toxic

4.temperature

Q2 don't know the answer

Q3

a)almond

b)ash

c)RAILWAY ACCIDENT

5966.

Fill up1 the wool is obtained from hair of sheep or yak called _2 the_causes change in the weather3 the process of_relases energy from food ​

Answer»

Answer:

Wool obtained from hair of Yak, sheep, CAMEL and buffalo are called as fleece. Thick covering of the wool on a sheep and the covering are useful for making the piece of clothing are called as the Fleece.

Weather is the state of the atmosphere at any given TIME including things like temperature, precipitation, air pressure, and CLOUD cover. Although daily changes in weather are due to winds and storms, the seasonal changes we live with are due to the earth revolving around the sun.

The cellular PROCESS of releasing energy from food through a series of enzyme-controlled reactions is called respiration . Some of the energy released is used to produce ATP. ... Aerobic respiration occurs if oxygen is present in the cell.

5967.

கால வெள்ளத்தை எதிர்த்து நிற்கும் மொழி தமிழ் என்று கவிஞர் கூறுவதன் காரணம் என்னplzz answer this question ​

Answer»

Answer:

SORRY friend i don't know

Explanation:

i know PUNJABI ENGLISH and hindi only

sorrrrrrrryyyyyyy

5968.

Which of the following is a function ofleave?Anchoring the waterConduct waterTo prepare foodAll of these​

Answer»

ANSWER:

all of these

EXPLANATION:

this is your ANS

5969.

(insecticides/herbicidesC. Write 'T' for true and 'F' for false in the boxes given against the statements.1. A tiny baby plant lies between the seed leaves of a seed.2. Beetroot grows from stem.3. All seeds are dispersed through water.4. The practice of growing plants for food and other useful purposes is called agriculture.​

Answer»

Answer:

1.T

2.T

3.F

4.T

Explanation:

PLS MARK as BRAINLIEST ANS

5970.

5) The value of Avagadro's numbers is____a) 6 x 1023 b) 6.022 x 1023 C) 6.022 x 102 d) 6.022 x 103​

Answer»

ANSWER:

C) ....Is the Answer.....

5971.

Which of the following statements are NOT true?A. No more salt can be dissolved in a saturated solution of salt water without heatingB. Water dissolves different amount of soluble substances in itC. A mixture of milk and water can be separated by filtrationD. Salt is separated from sea water by condensation Choose the correct option

Answer»

Answer:

A MIXTURE of water and MILK cannot be separated by filtration.

As water and milk are both homogeneous MISCIBLE liquids, if mixed up, are not POSSIBLE to be separated by filtration.

Hence, option (A) is the CORRECT answer.

if it is helpful please hit thanks button

5972.

The work done on an object does not depend on_____.a) Displacementb) applied forcec) Initial velocity of object d). The angle between force and displacement ​

Answer»

Answer:

Here, F = force applied on the OBJECT, d = DISPLACEMENT and 0 is angle between force and displacement. So, the work done on an object does not depend upon the INITIAL velocity of the object.

5973.

SenseOON MUID0.9.2.indaTAYGIV303 Melh match thethe following1Contour line methodgendex e quality2 public facilites3 show everationThe green devolution5 food presevationGirls and boys equalbollingelectricity Supply4Dr. M.s.Swaminathan​

Answer»

ANSWER:

what is. your. QUESTION i. can't. UNDERSTAND. your. question

5974.

1. Name any one Public health care centre in Goa?2. Who is responsible for providing the spread of disease?​

Answer»

Answer:

GMC ( Goa Medical Center)

Explanation:

2. The people of the STATE. They spit on the ROADS and cause DISEASES

5975.

Plastics bear the following characteristics that make it a material of choice - *Option 1non-corrosive ,durable ,non-reactive ,economicOption 2 non-corrosive ,very costly , very reactive ,durableOption 3Highly reactive ,very durable ,costly ,corrosiveOption 4 none of the above .​

Answer»

ANSWER:

OPTION 1 is CORRECT

Explanation:

hope it is HELPFUL to you

5976.

Q4) Function of HCl present in 1 poinstomach is to *digest proteinO digest carbohydrateOkill the germs present in the foodO digest fat​

Answer»

Answer:

digest PROTEIN

and KILL the germs present in the food

5977.

Q.I D)Identify the odd term out.Sewage, pollen grains, chemical fertilizers, pesticides​

Answer»

Answer:

POLLEN Grain

Explanation:

It is ODD because

it is related to PLANTS while OTHERS are not.

5978.

Melamine is a type of polymer (plastic)used for making utensils like plates ,cups etc .It belongs to the following type - *Option 1thermosetting plasticsOption 2 thermoplasticsOption 3 AcrylicOption 4 none of the above​

Answer»

ANSWER:

THERMOSETTING plastic

Explanation:

PLEASE MARK me as BRAINLIEST

5979.

While preparing cottage cheese at home which method of separation should be used?A) sievingB) filtrationC) threshingD) winnnowing

Answer»

ANSWER:

Filtration

Explanation:

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5980.

If an object is subjected to a force of 5N and acceleration of 10ms-2. Than calculate mass of the object?A) 5kg B) 50kg C) 0.05kg D) 0.5kg​

Answer»

Answer:

0.5 KG

EXPLANATION:

MARK me as a BRAINLIEST

5981.

Out of the following microorganisms ,choose the useful ones - (all are bacteria ,one is useful) *Option 1 Vibrio choleraeOption 2 LactobacillusOption 3 salmonellaOption 4 streptococcus pneumoniae​

Answer»

ANSWER:

LACTOBACCILUS

Explanation:

IT IS USEFUL TO MAKE CURD, IT MULTIPLIES IN MILK AND FORM CURD

5982.

Structure provide additionalsupport to the plant.TendrilsLeavesFlowerAll of these​

Answer»

Answer:

TENDRIL is correct ONE

hope it will HELP u DEAR....

5983.

The lifecycle of plants is of two years, calledAnnualsоооPerennialsBiennialsTrees​

Answer»

ANSWER: I THINK biennial

Explanation:

5984.

Which of the following device was used by people in ancient days to measure time?(a) Sand clock(b) Water clock(c) Sun dial(d) All of these​

Answer»

ANSWER:

SUN DIAL

HOPE it HELPS :)

5985.

Which one of these is an example of Homogeneous mixture ?. Single choice.(1 Point)dust in airBrasssand in water​

Answer»

Brass is the WRIGHT answer.Hope it HELPS you!. PLEASE mark me as brainliest .

5986.

Make hyphenated compound words by correctly matching the words in the columnsa. hearted1. grey a. hearted 2. age b. watering 3. eye c. haired 4. half d. old 5. mouth e. opener​

Answer»

ANSWER:

GREY HAIRED

Age old

Eye OPENER

Half hearted

Mouth watering

5987.

1. In the amoeba,are used for capturing food2.is the first organ of the alimentary canal.3. Saliva contains an enzyme called4. Food is absorbed in the small intestine through5. Bile is the digestive juice secreted by theAnswer each in a few words only.1. Mention the location of taste buds.2. Where is villi located in the alimentary canal?3. Where is the bile stored?4. In which part of the alimentary canal is water absorbed from food?​

Answer»

Explanation:

Welcome to Gboard clipboard, any TEXT that you copy will be saved here.LINTICT6WANDOZNWTap on a clip to PASTE it in the text box.Touch and hold a clip to pin it. Unpinned clips will be DELETED after 1 hour.Use the EDIT icon to pin, add or delete clips.

5988.

Which one of the following is not a source of water for irrigation?TubewellsLakesDamsOceans​

Answer»

ANSWER:

OCEANS

I HOPE it's HELP you

5989.

A simple pendulum completes 20 oscillations in 10 seconds. The time period of the givenpendulum is(a) 0.2 seconds(b) 2 seconds(C) 0.5 seconds(d) 50 seconds​

Answer»

Answer:

2 SECONDS

I HOPE it's HELP you

5990.

1) Working of a rocket depends on Newton's law of motion.a) first b) second c) third d) gravitational ​

Answer»

ANSWER:

d) GRAVITATIONAL..

................

5991.

4) What is the co-efficient form if the polynomial x3 - 1?a) (1,-1) b) (3,-1) c) (1,0,0, -1) d) (1, 3, -1)​

Answer»

Answer:

c) (1,0,0,-1)

EXPLANATION:

Please mark my answer as BRAINLIEST

5992.

1. Visit a poultry farm. Talk to the manager of the farm and try to findout the answers to the following.(a) What are layers and broilers in a poultry farm?(b) Do hens lay unfertilised eggs?(c) How can you obtain fertilised and unfertilised eggs?(d) Are the eggs that we get in the stores fertilised or unfertilised?(e) Can you consume fertilised eggs?(f) Is there any difference in the nutritional value of fertilisedand unfertilised eggs?

Answer»

don't know yar PATHA HOTA tho I was SAYING yar

5993.

.Answer in brief.1. Which Indian textile products were exported in the pre-British era?o'r wealth to England begin?​

Answer»

Answer:

Bengal accounted for more than 50% of textiles and around 80% of silks imported by the Dutch from Asia and marketed it to the world, Bengali silk and COTTON textiles were exported in LARGE quantities to Europe, Asia, and Japan, and Bengali muslin textiles from DHAKA were SOLD in Central Asia

5994.

Jagsir saw his mother adding dried neem leaves to the metal vessel filled with wheat .jagsir asked the reason for this from his mother .what would be his mother 's replay?​

Answer»

Actually NEEM has got some MEDICINAL and anti bacterial PROPERTIES. Putting neem leaves in the CONTAINER would keep pests away from it. And this help to keep it preserved for longer.

plzz MARK me brainliest

5995.

GOOD MORNING HOW ARE YOUquestion answer write please urgently how many animals are there which are they​

Answer»

ANSWER:

dolphin

horse

sea horse

mouse

CAT

elephant

7 are there

5996.

If the mass of 1 litre of water is 1 kilometer then what is the density of water.a)1g/cc b)1000g/cc (c)100g/cc d)0.1g/ccplease explain this quickly​

Answer»

ANSWER:

first of all please notice that you cannot MEASURE mass in kilometer

considering mass to be 1 kilogram

density of water should be 1 kilogram / 1litre

that is 1000 g / 1000 cc

on division you GET it as 1g / cc

hope it helps

please mark as brainliest

5997.

BFill in the blanks.1...............is sorting of materials on the basis of a particular property.2. Materials can be grouped as...............and ............on the basis of their occurrence.3.................is a man-made material.4. All metals have..............5. Heavy objects...................in water​

Answer»

cos²A+sin²A=1

Therefore,

cos²A = 1-sin²A, i.e., COSA =

\<klux>FRAC</klux>{ + }{}  \sqrt{1 - sin {}^{<klux>2</klux>} \: a }

This gives

cosA =

\sqrt{1 - sin {}^{2} a}

HENCE,

TANA =

[tex] \frac{sin \: a}{cos \: a} = \frac{sin \: a}{ \sqrt{1 - sin {}^{2} } \:

5998.

The components of a solution of sugar in water can be separated bya)Filtrationb)Crystallizationc)Cloth filtersd)Sand filters​

Answer»

ANSWER:

crystallization.

Explanation:

PLZ FOLLOW me

5999.

................... is sprayed on the gunny bags containing food grains(malathion ,lightning conductor ,vinegar , fundamental ,mmas​

Answer»

ANSWER:

MALATHION

HOPE it HELPS U !!!

6000.

Which is not a sign of reversible change?a)Change in stateb)Change in propertyc)Change in sized)Change in appearance​

Answer»

ANSWER:

CHANGE in SIZE..........