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  • 4 answers

Rishabh Kumar 4 years, 1 month ago

India in groundnuts

Lakshay Jawla 4 years, 1 month ago

India

Nihari Sree Daddisetty 4 years, 1 month ago

India

Anushka Tyagi 4 years, 1 month ago

India
  • 5 answers

Ayushman Swain 4 years, 1 month ago

Rs. 6000

Aman Yadav 4 years, 1 month ago

6000

Harsh Sharma 4 years, 1 month ago

Solution, *4000+7000+3000+Family 4/4=5000 *14000+ Family 4/4 =5000 *14000+Family 4=20,000 *Family 4=20,000-14000 *Family 4=6000.…(Final Answer)

Harsh Sharma 4 years, 1 month ago

Given Avg. Income=5000 Family 1+ Family 2+ Family 3+ Family 4. /4 =5000

Harsh Sharma 4 years, 1 month ago

Avg. Income=Total income/Total number of families
  • 0 answers
  • 3 answers

Naina Gupta 4 years, 1 month ago

An Italian Revolunatory

Bhavan Gokul 4 years, 1 month ago

He was a Italian revolutionary who was born in 1807, Genoa.He was a member of secret society carbonari and he formed secret societies young Italy in mersailles and young Europe in bernes.He was sent in exile for attempting revolution in Liguria

Anushka Tyagi 4 years, 1 month ago

Giuseppe Mazzini was a politician, a journalist, an Italian unification activist and a spearhead of the new Italian movement. ... He was a lawyer, a Journalist and a writer by profession. He was born in Genoa on 22nd June 1807 and died on 10th March 1872.
  • 3 answers

Lakshay Jawla 4 years, 1 month ago

One third

Bhuvaneshwaran Jadeja 4 years, 1 month ago

1/3

Dipanjana Paul 4 years, 1 month ago

One third
  • 2 answers

Harsh Sharma 4 years, 1 month ago

Central/ State / Local. As Vertically distribution.. Legislative→Executive→Judiciary. As Horizontal

Sri Ram 4 years, 1 month ago

Vertical, horizontal
  • 1 answers

Priya . 4 years, 1 month ago

All the states except Punjab and Haryana
  • 2 answers

Prashant Rai 4 years, 1 month ago

Heroism

Gausik Srinivasan 4 years, 1 month ago

Heroism
  • 0 answers
  • 1 answers

Divyank Agrawal 4 years, 1 month ago

See in you book and learn by hard
  • 0 answers
  • 5 answers

Divyank Agrawal 4 years, 1 month ago

1948

Abhinav Tiwari 4 years, 1 month ago

1948

Palak Gaur 4 years, 1 month ago

1948

Aryan Tripathi 4 years, 1 month ago

1948

Dibyasmita Barik 4 years, 1 month ago

1950
  • 0 answers
  • 1 answers

Shubhanshu Sinha 4 years, 1 month ago

Yrr at this time why no one answer the question
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  • 5 answers

Sri Ram 4 years, 1 month ago

1790

Abhinav Tiwari 4 years, 1 month ago

1797

Aadish Jain 4 years, 1 month ago

1797

Parneet Mohar 4 years, 1 month ago

1797

Theresa Thomas 4 years, 1 month ago

When did Napoleon invade Italy? 1797
  • 1 answers

Abha Mahant 4 years, 1 month ago

Multiple Choice Questions 1. A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power (a) + 0.5 D (b) – 0.5 D (c) + 0.2 D (d) – 0.2 D 2. A student sitting on the last bench can read the letters written on the blackboard but is not able to read the letters written in his text book. Which of the following statements is correct? (a) The near point of his eyes has receded away (b) The near point of his eyes has come closer to him (c) The far point of his eyes has come closer to him (d) The far point of his eyes has receded away 4. At noon the sun appears white as (a) light is least scattered (b) all the colours of the white light are scattered away (c) blue colour is scattered the most (d) red colour is scattered the most 5. Which of the following phenomena of light are involved in the formation of a rainbow? (a) Reflection, refraction and dispersion (b) Refraction, dispersion and total internal reflection (c) Refraction, dispersion and internal reflection (d) Dispersion, scattering and total internal reflection 6. Twinkling of stars is due to atmospheric (a) dispersion of light by water droplets (b) refraction of light by different layers of varying refractive indices (c) scattering of light by dust particles (d) internal reflection of light by clouds 7. The clear sky appears blue because (a) blue light gets absorbed in the atmosphere (b) ultraviolet radiations are absorbed in the atmosphere (c) violet and blue lights get scattered more than lights of all other colours by the atmosphere (d) light of all other colours is scattered more than the violet and blue colour lights by the atmosphere 8. Which of the following statements is correct regarding the propagation of light of different colours of white light in air? (a) Red light moves fastest (b) Blue light moves faster than green light (c) All the colours of the white light move with the same speed (d) Yellow light moves with the mean speed as that of the red and the violet light 9. The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light (a) is scattered the most by smoke or fog (b) is scattered the least by smoke or fog (c) is absorbed the most by smoke or fog (d) moves fastest in ai [22/10, 10:30 pm] Abha Mahant: 10. Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset? (a) Dispersion of light (b) Scattering of light (c) Total internal reflection of light (d) Reflection of light from the earth 11. The bluish colour of water in deep sea is due to (a) the presence of algae and other plants found in water (b) reflection of sky in water (c) scattering of light (d) absorption of light by the sea 12. When light rays enter the eye, most of the refraction occurs at the (a) crystalline lens (b) outer surface of the cornea (c) iris (d) pupil 13. The focal length of the eye lens increases when eye muscles (a) are relaxed and lens becomes thinner (b) contract and lens becomes thicker (c) are relaxed and lens becomes thicker (d) contract and lens becomes thinner 14. Which of the following statement is correct? (a) A person with myopia can see distant objects clearly (b) A person with hypermetropia can see nearby objects clearly (c) A person with myopia can see nearby objects clearly (d) A person with hypermetropia cannot see distant objects clearly Multiple Choice Questions 1. Which of the following is not a physical change? (a) Boiling of water to give water vapour (b) Melting of ice to give water (c) Dissolution of salt in water (d) Combustion of Liquefied Petroleum Gas (LPG) 2. The following reaction is an example of a 4NH3 (g) + 5O2 (g) → 4NO(g) + 6H2O(g) (i) displacement reaction (ii) combination reaction (iii) redox reaction (iv) neutralisation reaction (a) (i) and (iv) (b) (ii) and (iii) (c) (i) and (iii) (d) (iii) and (iv) 3. Which of the following statements about the given reaction are correct? 3Fe(s) + 4H2O(g) → Fe3O4 (s) + 4H2 (g) (i) Iron metal is getting oxidised (ii) Water is getting reduced (iii) Water is acting as reducing agent (iv) Water is acting as oxidising agent (a) (i), (ii) and (iii) (b) (iii) and (iv) (c) (i), (ii) and (iv) (d) (ii) and (iv) 4. Which of the following are exothermic processes? (i) Reaction of water with quick lime (ii) Dilution of an acid (iii) Evaporation of water (iv) Sublimation of camphor (crystals) (a) (i) and (ii) (b) (ii) and (iii) (c) (i) and (iv) (d) (iii) and (iv) 5. Three beakers labelled as A, B and C each containing 25 mL of water were taken. A small amount of NaOH, anhydrous CuSO4 and NaCl were added to the beakers A, B and C respectively. It was observed that there was an increase in the temperature of the solutions contained in beakers A and B, whereas in case of beaker C, the temperature of the solution falls. Which one of the following statement(s) is(are) correct? (i) In beakers A and B, exothermic process has occurred. (ii) In beakers A and B, endothermic process has occurred. (iii) In beaker C exothermic process has occurred. (iv) In beaker C endothermic process has occurred. (a) (i) only (b) (ii) only (c) (i) and (iv) (d) (ii) and (iii) 6. A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation? (a) KMnO4 is an oxidising agent, it oxidises FeSO4 (b) FeSO4 acts as an oxidising agent and oxidises KMnO4 (c) The colour disappears due to dilution; no reaction is involved (d) KMnO4 is an unstable compound and decomposes in presence of FeSO4 to a colourless compound. 7. Which among the following is(are) double displacement reaction(s)? (i) Pb + CuCl2 → PbCl2 + Cu (ii) Na2 SO4 + BaCl2 → BaSO4 + 2NaCl (iii) C + O2 → CO2 (iv) CH4 + 2O2 → CO2 + 2H2O (a) (i) and (iv) (b) (ii) only (c) (i) and (ii) (d) (iii) and (iv) 8. Which among the following statement(s) is(are) true? Exposure of silver chloride to sunlight for a long duration turns grey due to (i) the formation of silver by decomposition of silver chloride (ii) sublimation of silver chloride (iii) decomposition of chlorine gas from silver chloride (iv) oxidation of silver chloride (a) (i) only (b) (i) and (iii) (c) (ii) and (iii) (d) (iv) only 9. Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form its solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed? (i) It is an endothermic reaction (ii) It is an exothermic reaction (iii) The pH of the resulting solution will be more than seven (iv) The pH of the resulting solution will be less than seven (a) (i) and (ii) (b) (ii) and (iii) (c) (i) and (iv) (d) (iii) and (iv) 10. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved? (i) Displacement reaction (ii) Precipitation reaction (iii) Combination reaction (iv) Double displacement reaction (a) (i) only (b) (ii) only (c) (iv) only (d) (ii) and (iv) 11. Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is (a) 1:1 (b) 2:1 (c) 4:1 (d) 1:2 12. Which of the following is(are) an endothermic process(es)? (i) Dilution of sulphuric acid (ii) Sublimation of dry ice (iii) Condensation of water vapours (iv) Evaporation of water (a) (i) and (iii) (b) (ii) only (c) (iii) only (d) (ii) and (iv) 13. In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate? (a) Lead sulphate (insoluble) (b) Lead acetate (c) Ammonium nitrate (d) Potassium sulphate 14. Which of the following gases can be used for storage of fresh sample of an oil for a long time? (a) Carbon dioxide or oxygen (b) Nitrogen or oxygen (c) Carbon dioxide or helium (d) Helium or nitrogen 15. The following reaction is used for the preparation of oxygen gas in the laboratory 2KClO3 (s) Heat → Catalyst 2KCl (s) + 3O2 (g) Which of the following statement(s) is(are) correct about the reaction? (a) It is a decomposition reaction and endothermic in nature (b) It is a combination reaction (c) It is a decomposition reaction and accompanied by release of heat (d) It is a photochemical decomposition reaction and exothermic in nature 16. Which one of the following processes involve chemical reactions? (a) Storing of oxygen gas under pressure in a gas cylinder (b) Liquefaction of air (c) Keeping petrol in a china dish in the open (d) Heating copper wire in presence of air at high temperature 17. In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature? (a) 2H2 (l) + O2 (l) → 2H2O(g) (b) 2H2 (g) + O2 (l) → 2H2O(l) (c) 2H2 (g) + O2 (g) → 2H2O(l) (d) 2H2 (g) + O2 (g) → 2H2O(g) 18. Which of the following are combination reactions? (i) 2KClO3 → Heat 2KCl + 3O2 (ii) MgO + H2O → Mg(OH)2 (iii) 4Al + 3O2 → 2Al2 O3 (iv) Zn + FeSO4 → ZnSO4 + Fe (a) (i) and (iii) (b) (iii) and (iv) (c) (ii) and (iv) (d) (ii) and (iii) Multiple Choice Questions 1. What happens when a solution of an acid is mixed with a solution of a base in a test tube? (i) The temperature of the solution increases (ii) The temperature of the solution decreases (iii) The temperature of the solution remains the same (iv) Salt formation takes place (a) (i) only (b) (i) and (iii) (c) (ii) and (iii) (d) (i) and (iv) 2. An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change? (a) Baking powder (b) Lime (c) Ammonium hydroxide solution (d) Hydrochloric acid 3. During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to (a) absorb the evolved gas (b) moisten the gas (c) absorb moisture from the gas (d) absorb Cl– ions from the evolved gas 4. Which of the following salts does not contain water of crystallisation? (a) Blue vitriol (b) Baking soda (c) Washing soda (d) Gypsum
  • 1 answers

Ajinkya Ubale 4 years, 1 month ago

The statement tells that unlike the leaders of the sinhala community in Sri Lanka the leaders of our country didn't dominated on other states to use hindi compulsorily instead they gave equal status to all languages and prevented conflicts where as in sri lanka the sinhala community tried dominated their language over tamils hope it helps✌✌?
  • 2 answers

Krish Singh 4 years, 1 month ago

Primitive subsistence intensive subsistence commercial farming and plantation farming

Mithilesh Shende 4 years, 1 month ago

Primitive subsistence farming : It is practised on small patches of land with the help of primitive tools like hoe, dao and digging sticks. ... Intensive subsistence farming : This type of farming is practised in areas of high population pressure on land. ... Commercial farming
  • 2 answers

Bhuvaneshwaran Jadeja 4 years, 1 month ago

Send

Khushi Chauhan⚡ 4 years, 1 month ago

I can send you if you really want
  • 1 answers

Sia ? 4 years ago

Please ask question with complete information.

  • 1 answers

Dipender Siwach 4 years, 1 month ago

https://t.me/class_10th_study_materials/2090
  • 2 answers

Krish Singh 4 years, 1 month ago

Badland refers to land which is unsuitable for development usually formed when water cut through clay soils and forms gullies whereas fallow land refers to that land which is left uncultivated in non agricultural season

Bhanu Vilasith 4 years, 1 month ago

Bad Land:- It is a land which is unsuitable for cultivation. Mainly soil erosion converts a fertile land into a bad land Fallow Land:- It is a cultivable land which is being allowed to rest, outcropped or partially cropped for one or more seasons so that it can regain its fertility.
  • 5 answers

Aditya Gupta 4 years, 1 month ago

French revolution

Sagar Pal 4 years, 1 month ago

French revolution

Vishwaja Gokulakonda 4 years, 1 month ago

French revolution

Roshni Upadhya 4 years, 1 month ago

Frend revolution

Supriya Kumari 4 years, 1 month ago

French Revolution
  • 5 answers

Aditya Gupta 4 years, 1 month ago

1830-1848

Mayank Jalandhary 4 years, 1 month ago

The Age of Revolution is a period from the late-18th to the mid-19th centuries in which a number of significant revolutionary movements occurred in most of Europe and the Americas.

Chahat Sheoran 4 years, 1 month ago

4,5years

Chahat Sheoran 4 years, 1 month ago

You are intelligent

Chahat Sheoran 4 years, 1 month ago

Is intelligent

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