What colour does methyl orange turn when dipped in a base?

What colour does methyl orange turn when dipped in a base?
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The colour of Methyl orange in basic solution is (A)Orange (B) Pink (C) Yellow (D) Colourless

Description : The colour of Methyl orange in basic solution is (A)Orange (B) Pink (C) Yellow (D) Colourless

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An iron nail is dipped in the solution of copper sulphate for about 30 minutes. State the change in colour observed. Give reason for the change. -Chemistry-10

Description : An iron nail is dipped in the solution of copper sulphate for about 30 minutes. State the change in colour observed. Give reason for the change. -Chemistry-10

Last Answer : When an iron nail is dipped in copper sulphate solution, the displacement reaction takes place. The colour of copper sulphate solution fades due to the formation of light green solution of iron sulphate.

Why does the colour of copper sulphate solution change when an iron nail is dipped in it ? -Chemistry-10

Description : Why does the colour of copper sulphate solution change when an iron nail is dipped in it ? -Chemistry-10

Last Answer : When an iron nail is dipped in copper sulphate solution, the displacement reaction takes place. The colour of copper sulphate solution fades due to the formation of light green solution of iron sulphate.

Why does the colour of copper sulphate solution change when an iron nail is dipped in it? Write two observations. -Chemistry

Description : Why does the colour of copper sulphate solution change when an iron nail is dipped in it? Write two observations. -Chemistry

Last Answer : Answer. It is because displacement reaction takes place. Iron displaces copper from copper sulphate solution and forms pale green coloured solution of FeS04 and reddish brown copper metal gets deposited. Fe(s) + CuS04(aq) ——–> FeS04(aq) + Cu(s)

A solution containing `Na_(2)CO_(3)` and `NaOH` requires `300 ml` of `0.1 N HCl` using phenolphthalein as an indicator. Methyl orange is then added to

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Description : Methyl orange indicator turns (A) Orange yellow in alkaline medium (B) Orange yellow in acidic medium (C) Colourless in acidic medium (D) Colourless in basic medium

Last Answer : (A) Orange yellow in alkaline medium

The most common constituents of alkalinity in natural water are measured by titrating the water sample with 0.02 N H2SO4 using (a) Eriochrome Black T and Ferroin indicators (b) Ferroin and Phenolphthalein indicators (c) Phenolphthalein and Methyl Orange indicators (d) Methyl Orange and Ericochrome Black T indicators

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Why Magnesium , Copper and Zinc only react when dipped in hot water ?

Description : Why Magnesium , Copper and Zinc only react when dipped in hot water ?

Last Answer : Magnesium is the element at the top of the activation table. The value of its oxidation potential is more negative i.e. it is easily oxidized. But the position of copper is below H2 and the deposition ... in water to H2 gas. But magnesium degrades H + ions. So only magnesium reacts with hot water.

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Description : What is the sewing needle dipped in ?

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In the water For a long time Hand Dipped If you keep Hand Kuchke Goes Why ?

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What is a french dish with small pieces of food dipped in hot sauce?

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What happens when zinc is dipped in a copper sulfate solution Zinc is higher on the activity series than copper.?

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How To Make Chocolate Dipped Strawberries?

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Is chocolate biscotti usually dipped in dark or milk chocolate?

Description : Is chocolate biscotti usually dipped in dark or milk chocolate?

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How do I make a chocolate dipped strawberry?

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In a solution of silver nitrate, a copper plate was dipped. After some time, silver from the solution was deposited on the copper plate. Which metal is more reactive – copper or silver?

Description : In a solution of silver nitrate, a copper plate was dipped. After some time, silver from the solution was deposited on the copper plate. Which metal is more reactive – copper or silver?

Last Answer : More reactive metal displaces a less reactive metal. Hence copper metal is more reactive.

What happens when a iron nail or a piece of aluminium wire is dipped in concentrated nitric acid?

Description : What happens when a iron nail or a piece of aluminium wire is dipped in concentrated nitric acid?

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Strips of newspaper, filter paper and glazed paper are dipped in dilute potassium permanganate solution. Which paper will have absorbed more potassium permanganate?

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A long iron rod initially at a temperature of 20°C has one end dipped in boiling water (100°C) at time, t = 0. The curved surface of the rod is insulated so that heat conduction is one dimensional in the axial direction. The temperature at a distance 100 mm from the dipped end becomes 40°C at time, t = 200 s. The same temperature is achieved at a distance of 200 mm from the dipped end at time (A) t = 283 s (B) t = 356 s (C) t = 400 s (D) t = 800 s

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Last Answer : (D) t = 800 s

Cut or excised leaves remain green for long if induced to root or dipped in (a) gibberellins (b) cytokinins (c) auxins (d) ethylene.

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If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is (A) Same in both the tubes (B) Greater in 1 mm dia tube (C) Greater in 0.5 mm dia tube (D) Zero in both the tubes

Description : If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is (A) Same in both the tubes (B) Greater in 1 mm dia tube (C) Greater in 0.5 mm dia tube (D) Zero in both the tubes

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Sugarcane settees are dipped in hot water for two hours having -c temperature a. 50 b. 55 c. 45 d. 60

Description : Sugarcane settees are dipped in hot water for two hours having -c temperature a. 50 b. 55 c. 45 d. 60

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Sugarcane settees are dipped in hot water for two hours having -c temperature a. 50 b. 55 c. 45 d. 60

Description : Sugarcane settees are dipped in hot water for two hours having -c temperature a. 50 b. 55 c. 45 d. 60

Last Answer : a. 50

16. When a tube of smaller diameter is dipped in water, the water rises in the tube due to viscosity of water. A) True B) False

Description : 16. When a tube of smaller diameter is dipped in water, the water rises in the tube due to viscosity of water. A) True B) False

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When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface. (A) Concave(B) Convex (C) Plane (D) None of these

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If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be(A) Higher than the surface of liquid (B) The same as the surface of liquid (C) Lower than the surface of liquid (D) Unpredictable

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Last Answer : Answer: Option C

When a pencil is dipped in glass of water it appears bent near the surface of water due to ______ of light. a) refraction b)reflection c)bouncing back of light d)none

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Chocolate Dipped Gooseberries recipe

Description : Chocolate Dipped Gooseberries recipe

Last Answer : Chocolate Dipped Gooseberries recipe   Ingredients: 1 cup of fondant. 2 tablespoons of simple syrup. ½ lb of semisweet chocolate, chopped. 24 fresh gooseberries, husks on. Preparation Instructions: ... chocolate is firm to the touch, about 30 minutes. Remove and serve on a serving platter.

When a spoon is to be electroplated with nickel the spoon is (1) dipped in a nickel sulphate solution (2) made anode and a pure nickel rod, the cathode (3) made cathode and a pure nickel red, the anode (4) coated with nickel sulphate and dried

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If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in (1) both (2) only the glass tube (3) only the capillary tube (4) neither

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What came first, orange the colour or orange the fruit?

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23 Which one of the following sets of colour combinations is added in colour vision in TV? A. Red, green and blue B. Orange, black and violet C. White, red and Yellow D. Green, Yellow and Blue

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To an astronaut in the spacecraft, the sky colour appears to be (a) Blue (b) White (c) Black (d) Orange red

Description : To an astronaut in the spacecraft, the sky colour appears to be (a) Blue (b) White (c) Black (d) Orange red

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The orange colour of carrot is because of – (1) it grows in the soil (2) Carotene (3) it is not exposed to sun-light (4) the entire plant is orange in colour

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A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green

Description : A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green

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potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green

Description : potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green

Last Answer : (1) From brown to blueblack Explanation: The Iodine test is used to test for the presence of starch. Iodine solution — iodine dissolved in an aqueous solution of potassium iodide — reacts with the starch producing a purple black colour.

Which colour is the complementary colour of yellow? (1) Blue (2) Green (3) Orange (4) Red

Description : Which colour is the complementary colour of yellow? (1) Blue (2) Green (3) Orange (4) Red

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What is the natural colour of lichen‘s juice? a) Blue b) Red c) Purple d) Orange

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