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1151.

‘हैरी ट्रैवल्स’की ओर  से गर्मी की छुट्टियों में  पर्वतीय प्रदेश  की यात्रा  हेतु 25 - 50  शब्दों में  एक विज्ञापन  लिखिए।pls tell asap​

Answer»

ANSWER:

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1152.

Name the Comman name of silica

Answer»

ANSWER:

SILICON DIOXIDE

Silica, or silicon dioxide, is the oxide of silicon. It is found in nature in SEVERAL forms; one of which is quartz. Quartz is the second most COMMON mineral on Earth.

1153.

How would toothpaste benefit by being basic in nature?​

Answer»

Answer:

The PH in our mouth is 5.5 which is slightly acidic. If the pH in our mouth DECREASES it RESULTS in TOOTH decay due to formation of certain acids. Toothpaste is basic in NATURE which neutralizes the acid and protects from tooth decay.

Explanation:

1154.

A solution is prepared by mixing solute in a solvent. True/False​

Answer»

ANSWER:

True

Explanation:

1155.

3.The number of protons in a nucleus is the same as of ________surrounding it. thus making the atom electrically neutral.​

Answer»

The NUMBER of protons in a nucleus is the same as of ________surrounding it. thus making the ATOM ELECTRICALLY NEUTRAL.

1156.

(a) Ban bhatt(b) Hiuen Tsang (c) Chand Bardai3. The reign of which rulers is considered as the golden age of Rajput rule of Gujarat?(a) Chavda Dynasty (b) Chauhan Dynasty (c) Parmar Dynasty (d) Sol​

Answer»

ANSWER:

TI UUU uuu OPT ttyyyyhhhjjk

1157.

WHAT IS CHEMICAL BLANCED EQUATIONS. ​

Answer»

Answer:

A CHEMICAL equation is the symbolic representation of a chemical reaction in the FORM of SYMBOLS and formulae, wherein the reactant ENTITIES are given on the left-hand SIDE and the product entities on the right-hand side.

1158.

Hydrogen peroxide is preferred to potassium chlorate for the preparation of oxygen gas in the laboratory give reason

Answer»

Answer:

PLS MARK me as BRAIN SORRY I didn't know

1159.

Nitrogen reacts with hydrogen to give ammonia as N2 + 3H2 --- 2NH3. Name the type of reaction​

Answer»

EXPLANATION:

bcbcnxnkzmaopslzpzms

1160.

What is mean by sedimentation​

Answer»

Answer:

SEDIMENTATION is the TENDENCY for particles in suspension to settle out of the FLUID in which they are entrained and come to rest against a barrier. ... Settling is the falling of SUSPENDED particles through the liquid, whereas sedimentation is the termination of the settling PROCESS.

1161.

Vitamin _and_are solubel in air​

Answer»

ANSWER:

no VITAMIN is soluble in air but vitamin B and c are soluble in water

1162.

What is mean by chromatography?​

Answer»

ANSWER:

Chromatography is a process for SEPARATING components of a MIXTURE. To get the process started, the mixture is dissolved in a substance called the mobile PHASE, which carries it through a second substance called the stationary phase.

1163.

Write a composition of air​

Answer»

ANSWER:

Composition of air

Nitrogen — 78 percent.

Oxygen — 21 percent.

Argon — 0.93 percent.

Carbon DIOXIDE — 0.04 percent.

Trace AMOUNTS of neon, helium, methane, krypton and hydrogen, as well as water VAPOR.

1164.

During respiration which gas required to take place​

Answer»

ANSWER:

OXYGEN NEED to TAKE PLACE....

1165.

when we stand in front on dressing table our left hands seems to be right and right seems to be left it is called​

Answer»

Answer:

hey---------------- here is your answer

When we stand in FRONT of our dressing table, our LEFT hand seems to be right and right seems to be. left. This is called Lateral inversione

Explanation:

PLEASE help me become a BRAINLIST

1166.

Please Answer This Question ❓❓​

Answer»

Think and Answer

  1. Yes, Because all ATOMS of an element are identical.
  2. Properties of atoms depend upon ATOMIC number. During reaction, the number of elements changes while proteins donot.For example:-a piece of iron is broken down,it's SMALLER piece will retain the property of iron.
  3. Because Ozone molecule contain three atoms.
  4. Sodium is MONOVALENT it donates only ONE election to form compounds.

Please mark as a brainlest.............❣️❣️❣️

1167.

Write the chemical reaction of respiration process class 6​

Answer»

The CHEMICAL equation/reaction is C6H1206 + O2 = CO2 + H20

1168.

Elements with a valency equal to 3 is called?​

Answer»

Answer:

ELEMENTS with a valeny EQUAL to 3 is called TRIVALENT.

1169.

Which acid is called the king of chemical ?​

Answer»

ANSWER:

SULFURIC ACID is the KING of CHEMICAL.

1170.

Find the value of j (j×k ) + j (j+ k+ k (j.j)​

Answer»

ANSWER:

SEE the attachment please..

HOPE it HELPS you..

1171.

What is the co-efficient of x in 22xy³z² don't spam urgent please​

Answer»

Answer:

22y³z²

Please MARK as BRAINLIEST

1172.

You are given three solutions A, B and C acid, base and neutral respectively. It isnot possible to identify them just by looking how will you identify the type of solution.

Answer»

Answer:

First, we will put litmus paper to solution C , if this solution is neutral then litmus paper will not change it's COLOUR. Second, we will put a BLUE litmus paper to solution A if litmus paper changes it's colour to blue then it is ACIDIC. Third, we will put red litmus paper to solution B if litmus paper changes it's colour to blue then it is basic in nature.

HOPE THIS WILL HELP YOU.

1173.

Q-1(A) Observe the picture and answer the following questionPlants of Amit and Rahulvironmemen1. What do you see in the first picture?2. What is Amit doing?3. What did Rahul do after the plant had been uprooted?4. What should Rahul actually do?5. What do you do to look after the garden​

Answer»

ANSWER:

yddyshheyyjggddttdsttexdtrsdyysttsrxrzxtrtd

gyfxttyydftffgfytsyuugddtxtrzrz ffufufuf F

1174.

Chose odd one out glass ,metals ,stone,sugar​

Answer»

HOPE it HELPS you

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1175.

Assertion: Tetrahydrofuran is aliphatic compoundReason: Sometimes atoms other than carbon are also present in the ring known as heterocyclic.

Answer»

Explanation:

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If u lose this u have to KEEP this as ur status.

I LOST to parth

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1176.

Write the molecular formulae of the following compounds.Write the molecular formulae of the following compounds.Write the molecular formulae of the following compounds.(iii)Lead sulphide fast pls

Answer»

ANSWER:

PBS(LEAD SULPHIDE)

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1177.

At what pressure would the volume be one-third of the volume occupied by a gas under a pressure of 1.66 x 105Nm-2 at 300 K

Answer»

EXPLANATION:

HOPE it HELPS you

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1178.

The number of atoms present in one molecule of an element is called itsatomicity. What is the atomicity of Sulphur?1 pointΗ Η☺ oN NCI CIH2hydrogenO2oxygenN2nitrogenCl2chlorineO 2408O 1​

Answer»

ANSWER:

ATOMICITY OF SULPHUR IS 4

1179.

Cross out the odd onea.Violetb.Bluec.Greend.Rede.Black​

Answer»

Answer:

Black

Only [E] can be the odd MAN as it is a neutral colour and it absorbs LIGHT whereas OTHERS reflect light. HENCE, [e].

1180.

Can any one tell the proper difference between miscible and ImiscibleAns-?? ​

Answer»

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Difference between Miscible and Immiscible.

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A miscible LIQUID can be DISSOLVED READILY in some other liquid. The immiscible liquid does not DISSOLVE in other liquids.

1181.

19. Identify the balanced chemical equationO Fes + 3HCI ---------> FeCl2 + H2SCANa + O2ANO2 AL + 8012 ----+ 3012TIHRUHHI2Mg + O2------> 2Vigo​

Answer»

Explanation:

(a) FES + 2HCL → FeCl2 + H2S

(B) Na2CO3 + 2HCl → 2NaCl + H2O + CO2

(c) 2H2+ O2 → 2H2O

(d) Na2O + H2O → 2NaOH

1182.

Chemical changes are accompanied by absorption or evolution of _________.​

Answer»

Answer:

Generally, chemical REACTIONS are accompanied by ABSORPTION or RELEASE of ENERGY. If heat is evolved in the reaction it is called exothermic reaction, while if heat is absorbed in the reaction, it is called endothermic reaction.

1183.

डिफरेंस बिटवीन मिसिबल एंड इन मिसिबल लिक्विड्स​

Answer»

Answer:

A miscible LIQUID can be dissolved READILY in some other liquid.

Example - Milk and water.

The immiscible liquid does not DISSOLVE in other liquids.

Example - Oil and water.

1184.

VI. Write the chemical formula of the following:1. Copper oxide2. Sodium hydroxide3. Calcium hydroxide4. Magnesium carbonate5. iron chloride​

Answer»

ANSWER:

CUO / Cu2O

NaOH

Ca(OH)2

MgCO3

FeCl2 / FECL3

1185.

Which of the following pair of compounds name is wrong ? *1. baking soda - sodium bicarbonate2. quicklime - calcium oxide3.milk of magnesia - magnesium carbonate4.chalk - calcium carbonate​

Answer»

EXPLANATION:

I DONT KNOW i dont know i dont knoq

1186.

What information is not given by a balanced chemical equation?1. No. of molecules of reactants2.No. of atoms of reactant elements3. Mass of reactants4.Physical state of reactants​

Answer»

ANSWER - (3)

Mass of reactants is not given by a BALANCED CHEMICAL equations.

MARK AS BRAINLIST....

1187.

Atoms of of different kinds combine to form molecules of______​

Answer»

ANSWER:

ELEMENTS is the CORRECT answer

1188.

Decomposition of potassium chlorate is ____. *1.photochemical reaction2.thermal reaction3.electrochemical reaction4.exothermic reaction​

Answer»

ANSWER:

Decomposition of potassium CHLORATE is _thermal REACTION ___. *

1189.

Give two examples of gases emitted by automobiles​

Answer»

The MAIN Components of Vehicle Exhaust Gases and Their Effective Catalytic Neutralization

No Name

1 Carbon oxide

2. Sulfur oxides

3 NITROGEN oxide

4 Hydrocarbons

1190.

A __________ of iron and sulphur contains grey and yellow particles.

Answer»

Answer:oxides

Explanation:- A oxides of IRON and sulphur contains grey and YELLOW PARTICLES.

1191.

Food like potatoes contain:-(a) Cellulose (b) Lactose (c) Starch (d) Sucrose​

Answer»

Answer:

C. starch.

Explanation:

POTATO contain starch

e.x:take a piece of potato and put 2drops of IODINE after it CONVERT into blue.

so it contain starch.

1192.

19.When a person inhales carbonmonoxide and if he get the bloodtest done there will be presence ofexcess amount ofin hisblood. *O oxyhemoglobinO carbonmonohemoglobinO carboxyhemoglobinO carbon monoxyhemoglobin​

Answer»

ANSWER:

ooyhemoglobin

Explanation:

OXYHEMOGLOBIN

1193.

in which stronger cohesive force between the molecules is present a.soap b. butter c.iron table. d. plastic chair​

Answer»

EXPLANATION:

Vvczb

Zb☺️

1194.

Copper (ii) Carbonate reacts with dilute sulphuric acidCuCO, (s) + H²SO⁴ (aq) → CuSO⁴ (aq) + CO² (g) + H²Othe rate of the reaction can be changed by varying the conditions.which changes always increase the rate of this chemical reaction?1. Increasing the concentration of sulfuric acid 2. Increasing the size of the pieces of copper (ii) carbonate3. Increasing the temperature4. Increasing the volume of sulfuric acid.a) 1,3 and 4b) 1 and 3 onlyc) 2 and 3d) 3 and 5​

Answer»

EXPLANATION:

ANSWER is a) 1 , 3 and 4. of this question.

1195.

Identify the reactants and products from the following equation.Fe+ 2HCl →FeCl2 + H2

Answer»

ANSWER:

REACTANTS-->FE +2HCI

products-->FeCI2 +H2

hope it helps

Explanation:

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1196.

Chemistry fundmentals

Answer»

रसायनशास्त्र, विज्ञान की वह शाखा है जिसके अंतर्गत पदार्थों के संघटन, संरचना, गुणों और रासायनिक प्रतिक्रिया के दौरान इनमें हुए परिवर्तनों का अध्ययन किया जाता है। इसका शाब्दिक विन्यास रस + आयन है जिसका शाब्दिक अर्थ रसों (द्रवों) का अध्ययन है।

1197.

Naming of the elements was not an easy work’. Justify.​

Answer»

Answer:

not EASY ya RIGHT

because a high no. of SIMILAR CHARACTERISTICS

large no of ELEMENT.

and newer element added

1198.

1) 4400A2) 5500A3) 6566Aº4) 7700A92 If the wave length of the first member of Balmer series of a hydrogen atom is 6300A', thatof the second member will be nearly4864A2) 5400A3) 6800A°4) 7200Aº​

Answer»

sala MURKH DONKEY TEREKO KUCH bi nahin ata

1199.

Compare Monoatomic element with diatomic element with their diagrams.​

Answer»

ANSWER:

Because he COMPARE elimated

1200.

Write some uses of Baking soda.​

Answer»

ANSWER:

HOPE it helps you

Explanation:

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