Recent questions tagged sat

$H_2SO_4$ is a strong acid because it is

asked Jan 7, 2019 by meena.clay6

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The hydronium ion is represented as

asked Jan 7, 2019 by meena.clay6

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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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Identify a compound which contains replaceable hydrogen.

asked Jan 7, 2019 by meena.clay6

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The gas evolved in neutralization reaction of acid base is

asked Jan 4, 2019 by meena.clay6

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The reaction between sodium hydroxide with zinc gives product

asked Jan 4, 2019 by meena.clay6

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The reaction between an acid and metal can be considered as?

asked Jan 4, 2019 by meena.clay6

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A substance Y turns phenolphthalein colorless. It will

asked Jan 4, 2019 by meena.clay6

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A substance X, turns color of red litmus blue, it will change methyl Orange?

asked Jan 4, 2019 by meena.clay6

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

asked Jan 4, 2019 by meena.clay6

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Match the following with correct response. (1) Sodium carbonate (2) Plaster of Paris (3) calcium oxychloride (4) Sodium bicarbonate (A) Fire extinguishers (B) For ornamental casting (C) For water softening (D) For bleaching wool

asked Jan 4, 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 4, 2019 by meena.clay6

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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?

asked Jan 4, 2019 by meena.clay6

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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

asked Jan 4, 2019 by meena.clay6

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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 ?

asked Jan 3, 2019 by meena.clay6

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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 ?

asked Jan 3, 2019 by meena.clay6

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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 ?

asked Jan 3, 2019 by meena.clay6

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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 $y$ ?$x=2+4+6+....60,y=1+2+3+.....+30$

asked Jan 3, 2019 by meena.clay6

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How many different sums can be made by adding any two different numbers in the list given below $\{1,2,4,8,16,32,33\}$?

asked Jan 3, 2019 by meena.clay6

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The average , median and mode are calculated for the list $(3,3,7,10,12)$. If 1 is added to the list which of the following would change? I) The average II) The median III) The mode

asked Jan 3, 2019 by meena.clay6

1 answer

In the list of numbers $7,x,10,12,2,8,13$ the median is 10 . Which of the following could not be the value of x?

asked Dec 31, 2018 by meena.clay6

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A solution has pH value of 5. On adding 10 mL of NaCl to it, what will be the pH of the new solution?

asked Dec 20, 2018 by meena.clay6

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Which one of the following would you need to identify the gas that evolve when you heat NaOH solution with zinc metal?

asked Dec 20, 2018 by meena.clay6

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

asked Dec 19, 2018 by meena.clay6

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Which gas is usually liberated when an acid reacts with a metal?

asked Dec 19, 2018 by meena.clay6

1 answer