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Questions asked by meena.clay6
Questions
652
questions
0
answers selected
What volume of $0.200 M NaOH(aq)$ is needed to neutralize $40.0\; mL$ of a $0.100\; M HCl(aq)$?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
According to the Bronsted-Lowry theory, a base can
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
A substance is dissolved in water and the only positive ions in the solution are $H1^{+}$ ions. This substance is
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Find the pH of a 0.002 N acetic acid solution, if it is $2.3 \%$ ionised at a given dilution.
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
The hydrogen ion concentration of a solution is 0.001 M. What will be the hydroxyl ion concentration of solution?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
A liquid is considered an acid if it has a lot of __________.
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
KOH is used in making of
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Name the substance that on treatment with chlorine yields bleaching powder.
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
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?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
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.
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
The chemical formula of caustic potash is
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
The pH of a solution with a hydrogen ion concentration of $1 \times 10^{-3}$ is
cl130835
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
A substance Y turns phenolphthalein colorless. It will
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which of the following statements are correct about an aqueous solution of an acid and of a base?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Methyl orange is
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which of the following is a strong acid?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
0
answers
Which of the following is made up of bases?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which of the following is a strong acid?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which acid completely dissociates when dissolved in water?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which is a cause of acid precipitation?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
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?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
What is the precipitate that sometimes forms during an acid-base neutralization?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
PH of soils can be controlled through
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which of the following is formed by the reaction of an acid with a base?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which of the following statement are correct <br> A. chemical name of bleaching powder is calcium oxychloride<br> B. Bleaching powder is used for sterilization of drinking water <br> C. Bleaching powder is alkaline in nature hence it is used as antacid <br> D. Bleaching powder is manufactured by Hasenclever?s plant
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
Which of the following is made up of bases?
sat
chemistry
acids-and-bases
asked
Jan 8, 2019
1
answer
$H_2SO_4$ is a strong acid because it is
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
The hydronium ion is represented as
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
The difference between HCl and $HC_2H_3O_2$ as acids is
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
Which of the following is made up of bases
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
The half life period of $n^{th}$ order reaction varies inversely to ____________ th power of the initial concentration of the reactants.
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
Which of the following is a strong acid?
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
State true or false. For a second order reaction, the rate is proportional to the square root of the concentration of the same reactant.
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
Match the following with correct response. (1) Strong acid (2) Strong base (3) Weak acid (4) Weak base $(a) H_2SO_4H_2SO_4\\ (b) CH_3COOHCH_3COOH \\ (c) NaOHNaOH (d) NH_4OHNH_4OH$
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
Which acid is present in an apple?
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
Identify a compound which contains replaceable hydrogen.
sat
chemistry
acids-and-bases
asked
Jan 7, 2019
1
answer
The gas evolved in neutralization reaction of acid base is
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
0
answers
The reaction between sodium hydroxide with zinc gives product
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
The reaction between an acid and metal can be considered as?
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
A substance Y turns phenolphthalein colorless. It will
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
A substance X, turns color of red litmus blue, it will change methyl Orange?
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
Which of the following statements are correct about an aqueous solution of an acid and of a base?
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
Match the following with correct response. <br> (1) Sodium carbonate (2) Plaster of Paris (3) calcium oxychloride (4) Sodium bicarbonate <br> (A) Fire extinguishers (B) For ornamental casting (C) For water softening (D) For bleaching wool
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
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.
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish orange. Which of the following would change the colour of this pH paper to greenish blue?
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
A salt is dissolved in water. The pH of this salt solution was found to be 7 by measuring the pH with a universal indicator paper. The salt is most likely to be
sat
chemistry
acids-and-bases
asked
Jan 4, 2019
1
answer
At a summer camp, 80 children take up sailing class , 25 children take pottery class, 90 children do not take either sailing or pottery classes. What is the total number of children in the camp ?
sat
math
problem-solving-and-data-analysis
asked
Jan 3, 2019
1
answer
There are 40 oranges and 10 peaches in a bin. If only oranges are to be removed from the bin so that the probability of randomly drawing an orange becomes $\large\frac{3}{5}$ how many oranges must be subtracted from the bin ?
sat
math
problem-solving-and-data-analysis
asked
Jan 3, 2019
1
answer
There are 6000 employees in a company. One of them is selected at random to win a bike. If the probability that an officer will be selected is $\large\frac{4}{15}$, how many officers are working in that company ?
sat
math
problem-solving-and-data-analysis
asked
Jan 3, 2019
1
answer
Let $x$ be the sum of the first 30 consecutive positive even integer and $y$ be the sum of the first 30 consecutive positive integer . What is x in term of $y$ ?$x=2+4+6+....60,y=1+2+3+.....+30$
sat
math
problem-solving-and-data-analysis
asked
Jan 3, 2019
1
answer
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