Recent questions tagged acids-and-bases

A Strong acid is same as concentrated acid. State true or false

asked Jan 8, 2019 by meena.clay6

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Match the following with correct response. (1) Metal oxides (2) Non-metal oxides (3) Salts (4) Neutral Basses (A) Hydroxyl Irons (B) Acidic (C) basic (D) Hydroxyl Ions

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A beaker full of acid is added to a beaker full of base. The pH of the base will:

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A solution with a pH of 11 has a $H^{+}$ concentration of:

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An unknown substance is added to a solution and the pH increases. The substance is:

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Acids increase the concentration of what in water?

asked Jan 8, 2019 by meena.clay6

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Match the following with correct response. (1) Sodium hydroxide (2) Potassium hydroxide (3) Calcium hydroxide (4) Lactic acid (A) Antacid (B) caustic soda (C) curd (D) caustic potash

asked Jan 8, 2019 by meena.clay6

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What will be the product when $HNO_3$ reacts with $NH_4OH$ ?

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Find the odd one out:

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Select the one which is neither an acid nor base

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Select the one which is wrongly mapped

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Identify the salt which contains both negative or positive ions.

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Which acid is weak among mineral acids?

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Which of the following statements are correct abount an aqueous solution of an acid and of a base? A. lower the pH weaker the base B. Lower the pH stronger the base C. higher the pH stronger the acid D. higher the pH weaker the acid

asked Jan 8, 2019 by meena.clay6

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Which acid completely dissociates when dissolved in water?

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What volume of $0.200 M NaOH(aq)$ is needed to neutralize $40.0\; mL$ of a $0.100\; M HCl(aq)$?

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According to the Bronsted-Lowry theory, a base can

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A substance is dissolved in water and the only positive ions in the solution are $H1^{+}$ ions. This substance is

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Find the pH of a 0.002 N acetic acid solution, if it is $2.3 \%$ ionised at a given dilution.

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The hydrogen ion concentration of a solution is 0.001 M. What will be the hydroxyl ion concentration of solution?

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A liquid is considered an acid if it has a lot of __________.

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KOH is used in making of

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Name the substance that on treatment with chlorine yields bleaching powder.

asked Jan 8, 2019 by meena.clay6

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Zinc reacts with an acid as well as with a base to liberate hydrogen. On the basis of this what should be the nature of the zinc metal?

asked Jan 8, 2019 by meena.clay6

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A student was asked to collect apparatus from lab store, for doing experiment of pH of given sample. Identify the article which he is not supposed to pick.

asked Jan 8, 2019 by meena.clay6

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The chemical formula of caustic potash is

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The pH of a solution with a hydrogen ion concentration of $1 \times 10^{-3}$ is

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A substance Y turns phenolphthalein colorless. It will

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Which of the following statements are correct about an aqueous solution of an acid and of a base?

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Methyl orange is

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Which of the following is a strong acid?

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Which of the following is made up of bases?

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Which of the following is a strong acid?

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Which acid completely dissociates when dissolved in water?

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Which is a cause of acid precipitation?

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The soil is removed from the natural site, is treated with acid to leach the heavy metals out, then with a base to neutralize the soil and cause the heavy metals to precipitate out.” What process does this statement describe?

asked Jan 8, 2019 by meena.clay6

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What is the precipitate that sometimes forms during an acid-base neutralization?

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PH of soils can be controlled through

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Which of the following is formed by the reaction of an acid with a base?

asked Jan 8, 2019 by meena.clay6

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Which of the following statement are correct A. chemical name of bleaching powder is calcium oxychloride B. Bleaching powder is used for sterilization of drinking water C. Bleaching powder is alkaline in nature hence it is used as antacid D. Bleaching powder is manufactured by Hasenclever?s plant

asked Jan 8, 2019 by meena.clay6

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Which of the following is made up of bases?

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$H_2SO_4$ is a strong acid because it is

asked Jan 7, 2019 by meena.clay6

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The hydronium ion is represented as

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The difference between HCl and $HC_2H_3O_2$ as acids is

asked Jan 7, 2019 by meena.clay6

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Which of the following is made up of bases

asked Jan 7, 2019 by meena.clay6

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The half life period of $n^{th}$ order reaction varies inversely to ____________ th power of the initial concentration of the reactants.

asked Jan 7, 2019 by meena.clay6

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Which of the following is a strong acid?

asked Jan 7, 2019 by meena.clay6

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State true or false. For a second order reaction, the rate is proportional to the square root of the concentration of the same reactant.

asked Jan 7, 2019 by meena.clay6

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Match the following with correct response. (1) Strong acid (2) Strong base (3) Weak acid (4) Weak base $(a) H_2SO_4H_2SO_4\\ (b) CH_3COOHCH_3COOH \\ (c) NaOHNaOH (d) NH_4OHNH_4OH$

asked Jan 7, 2019 by meena.clay6

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Which acid is present in an apple?

asked Jan 7, 2019 by meena.clay6

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