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Created by Amarnath Reddy MAMARNATHREDDY M

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Types Of Chemical Reactions | Quiz

Check changes in oxidation states.

1 / 5

Tags: Chemistry → Chemical Reactions, Oxidation-Reduction, Redox Concepts, Applying, 3 Marks

1 points

The reaction (CuO + H_2 rightarrow Cu + H_2O) is an example of:

Observe the exchange of ions.

2 / 5

Tags: 3 Marks, Double Displacement, HOTS, Ion Exchange, Chemistry → Chemical Reactions

1 points

Identify the type of reaction: (AgNO_3 + NaCl rightarrow AgCl + NaNO_3)

Check if one element replaces another.

3 / 5

Tags: Chemistry → Chemical Reactions, Displacement, Metal Replacement, Understanding, 2 Marks

1 points

In the reaction (Zn + H_2SO_4 rightarrow ZnSO_4 + H_2), what type of reaction takes place?

Check if a single compound breaks down.

4 / 5

Tags: Chemistry → Chemical Reactions, Decomposition, Reaction Breakdown, Applying, 2 Marks

1 points

What type of reaction is represented by (2KClO_3 rightarrow 2KCl + 3O_2)?

Observe how two reactants combine.

5 / 5

Tags: Chemistry → Chemical Reactions, Combination Reaction, Reaction Identification, Understanding, 1 Mark

1 points

Identify the type of reaction: (2H_2 + O_2 rightarrow 2H_2O)

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Mathematic Quiz

Math quiz helps us to increase our knowledge

1 / 3

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10+20

3 / 3

150/3

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Created by Amarnath Reddy MAMARNATHREDDY M

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ACIDS, BASES AND SALTS

radio

1 / 11

1 points

What is the color of phenolphthalein in basic solution?

radio

2 / 11

1 points

Baking soda is chemically known as —

radio

3 / 11

1 points

Which of the following solutions has the highest concentration of hydrogen ions? \(H^+\)

radio

4 / 11

1 points

Which acid is present in curd?

radio

5 / 11

1 points

Identify the compound used in antacid tablets to relieve acidity.

radio

6 / 11

1 points

Which of the following solutions turns blue litmus red?

radio

7 / 11

1 points

Which of the following represents a neutralization reaction?

radio

8 / 11

1 points

When phenolphthalein is added to a solution, it turns pink. What does this indicate about the solution?

radio

9 / 11

1 points

Which reaction represents neutralization?

radio

10 / 11

1 points

A solution shows \(pH = 2\). What can you infer about it?

radio

11 / 11

1 points

When \(CO_2\) gas is passed through lime water, it first turns milky and then clear. What type of reaction occurs when the solution becomes clear again?

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60
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Find the roots of \\(x^2 – 5x + 6 = 0\\)

(x = 2, 3)
(x = -2, -3)
(x = 1, 6)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)

(x = -frac{5}{2})
(x = 2)
(x = -2)

Find the roots of \\(x^2 – 5x + 6 = 0\\)

(x = 2, 3)
(x = -2, -3)
(x = 1, 6)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)

(x = -rac{5}{2})
(x = 2)
(x = -2)

Find the roots of \\(x^2 – 5x + 6 = 0\\)

(x = 2, 3)
(x = -2, -3)
(x = 1, 6)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)

(x = -rac{5}{2})
(x = 2)
(x = -2)

Find the roots of \\(x^2 – 5x + 6 = 0\\)

(x = 2, 3)
(x = -2, -3)
(x = 1, 6)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)

\(x = -frac{5}{2}\)
\(x = 2\)
\(x = -2\)

Find the roots of \\(x^2 – 5x + 6 = 0\\)

\\(x = 2, 3\\)
\\(x = -2, -3\\)
\\(x = 1, 6\\)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)

\\(x = -\frac{5}{2}\\)
\\(x = 2\\)
\\(x = -2\\)

Find the roots of \\(x^2 – 5x + 6 = 0\\)

(x = 2, 3)
(x = -2, -3)
(x = 1, 6)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)

(x = -rac{5}{2})
(x = 2)
(x = -2)

Find the roots of \\(x^2 – 5x + 6 = 0\\)
(A) \\(x = 2, 3\\)
(B) \\(x = -2, -3\\)
(C) \\(x = 1, 6\\)

\\(x = 2, 3\\)
\\(x = -2, -3\\)
\\(x = 1, 6\\)

If one root of \\(2x^2 + 3x – 5 = 0\\) is \\(x = 1\\), find the other root using the relation \\(\alpha\beta = \\frac{c}{a}\\)
(A) \\(x = -\frac{5}{2}\\)
(B) \\(x = 2\\)
(C) \\(x = -2\\)

\\(x = -\frac{5}{2}\\)
\\(x = 2\\)
\\(x = -2\\)

Find the roots of \(x^2 – 5x + 6 = 0\)

Options:
A. \(x = 2, 3\)
B. \(x = -2, -3\)
C. \(x = 1, 6\)
D. \(x = -1, -6\)

A
B
C
D

The roots of \(x^2 + 4x + 4 = 0\) are

Options:
A. Equal and real
B. Distinct and real
C. Imaginary
D. None of these

A
B
C
D

For what value of \(k\) does \(x^2 + kx + 9 = 0\) have equal roots?

Options:
A. \(k = 6\)
B. \(k = -6\)
C. \(k = 3\)
D. \(k = -3\)

A
B
C
D

Solve \( x^2 – 4x + 3 = 0 \)

A. \( x = 1, 3 \)
B. \( x = 2, 3 \)
C. \( x = -1, -3 \)
D. \( x = 3, 4 \)

A
B
C
D

If \( x^2 + 6x + 9 = 0 \), then the roots are:

A. \( x = 3, 3 \)
B. \( x = -3, -3 \)
C. \( x = -3, 3 \)
D. \( x = 9, -9 \)

A
B
C
D

The standard form of a quadratic equation is:

A. \( ax^3 + bx + c = 0 \)
B. \( ax^2 + bx + c = 0 \)
C. \( ax + b = 0 \)
D. \( a^2x + b = 0 \)

A
B
C
D

Solve \( x^2 – 5x + 6 = 0 \) by splitting the middle term.

A. x = 1, 6
B. x = 2, 3
C. x = 3, 4
D. x = 1, 2

A
B
C
D

The standard form of a quadratic equation is:

A. \( ax^3 + bx + c = 0 \)
B. \( ax^2 + bx + c = 0 \)
C. \( ax + b = 0 \)
D. \( a^2x + b = 0 \)

A
B
C
D

Identify coefficients a, b, c in \( 3x^2 – 5x + 2 = 0 \)

A. a=3, b=-5, c=2
B. a=2, b=-5, c=3
C. a=-3, b=5, c=2
D. a=3, b=5, c=-2

A
B
C
D

Solve \( x^2 – 7x + 10 = 0 \) by factorization.

A. x=2,5
B. x=3,4
C. x=1,10
D. x=5,7

A
B
C
D

Find roots of \( x^2 – 4x – 5 = 0 \) using quadratic formula.

A. x=5, -1
B. x=4, -5
C. x=5, 1
D. x=2, -5

A
B
C
D

Find nature of roots of \( x^2 + 4x + 5 = 0 \).

A. Real & Equal
B. Real & Distinct
C. Imaginary
D. Zero

A
B
C
D

If product of two consecutive integers is 132, find the numbers.

A. 10, 11
B. 11, 12
C. 12, 13
D. 13, 14

A
B
C
D

Form the quadratic equation whose roots are 2 and 3.

A. \( x^2 – 5x + 6 = 0 \)
B. \( x^2 – 6x + 5 = 0 \)
C. \( x^2 + 5x + 6 = 0 \)
D. \( x^2 – 2x – 3 = 0 \)

A
B
C
D

If roots are 2 and 3, find their sum and product.

A. Sum=5, Product=6
B. Sum=6, Product=5
C. Sum=1, Product=6
D. Sum=5, Product=3

A
B
C
D

For equation \( 2x^2 + 5x + 3 = 0 \, verify ( frac{-b}{a} = text{sum of roots} ).

A. True
B. False
C. Partially True
D. None

A
B
C
D

If one root of \( kx^2 + 5x + 1 = 0 \) is ( -1 ), find k.

A. 2
B. 3
C. 4
D. 5

A
B
C
D

The standard form of a quadratic equation is:

A. \( ax^3 + bx + c = 0 \)
B. \( ax^2 + bx + c = 0 \)
C. \( ax + b = 0 \)
D. \( a^2x + b = 0 \)

A
B
C
D

Identify coefficients a, b, c in \( 3x^2 – 5x + 2 = 0 \)

A. a=3, b=-5, c=2
B. a=2, b=-5, c=3
C. a=-3, b=5, c=2
D. a=3, b=5, c=-2

A
B
C
D

Solve \( x^2 – 7x + 10 = 0 \) by factorization.

A. x=2,5
B. x=3,4
C. x=1,10
D. x=5,7

A
B
C
D

Find roots of \( x^2 – 4x – 5 = 0 \) using quadratic formula.

A. x=5, -1
B. x=4, -5
C. x=5, 1
D. x=2, -5

A
B
C
D

Find nature of roots of \( x^2 + 4x + 5 = 0 \).

A. Real & Equal
B. Real & Distinct
C. Imaginary
D. Zero

A
B
C
D

If product of two consecutive integers is 132, find the numbers.

A. 10, 11
B. 11, 12
C. 12, 13
D. 13, 14

A
B
C
D

Form the quadratic equation whose roots are 2 and 3.

A. \( x^2 – 5x + 6 = 0 \)
B. \( x^2 – 6x + 5 = 0 \)
C. \( x^2 + 5x + 6 = 0 \)
D. \( x^2 – 2x – 3 = 0 \)

A
B
C
D

If roots are 2 and 3, find their sum and product.

A. Sum=5, Product=6
B. Sum=6, Product=5
C. Sum=1, Product=6
D. Sum=5, Product=3

A
B
C
D

For equation \( 2x^2 + 5x + 3 = 0 \, verify ( frac{-b}{a} = text{sum of roots} ).

A. True
B. False
C. Partially True
D. None

A
B
C
D

If one root of \( kx^2 + 5x + 1 = 0 \) is ( -1 ), find k.

A. 2
B. 3
C. 4
D. 5

A
B
C
D
Balance the equation: \( H_2 + O_2 \rightarrow H_2O \)
A. \( H_2 + O_2 \rightarrow H_2O \)
B. \( 2H_2 + O_2 \rightarrow 2H_2O \)
C. \( H_2 + 2O_2 \rightarrow H_2O \)
D. \( 2H_2 + 2O_2 \rightarrow 2H_2O \)
A
B
C
D

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