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Write the four properties of ionic compounds.

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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What is a homologous series? Explain with an example.

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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3 answers

Differentiate between aneuploidy and polyploidy

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Which one of the following is non crystalline or amorphous ?

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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Prove that \(\left(\sin 60^{\circ}+\sin 30^{\circ}\right) /\left(\sin 60^{\circ}-\sin 30^{\circ}\right)=\left(\tan 60^{\circ}+\tan 45^{\circ}\right) /\left(\tan 60^{\circ}-\tan 45^{\circ}\right)\)

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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27 answers

Molarity of pure water is …

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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3 answers

What is true of ecosystem?

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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4 answers

Find the zeroes of the quadratic polynomials \(t^{2}-15\) and verify the relationship between the zeroes and the coefficients.

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31 answers

Explain different types of motion.

asked Dec 20, 2021 in CBSE by kritika (90.1k points)

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3 answers

Define electric dipole moment and write its SI unit ?

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3 answers

State Gauss's law in electrostatics and explain its importance.

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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19 answers

If a stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then the ratio of radii of the spheres in these systems will be respectively

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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Find the value of the determinant \begin{array}{ccc} 243 & 156 & 300 \\ 81 & 52 & 100 \\ -3 & 0 & 4 \end{array}

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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3 answers

What is the common difference of an AP in which \(a_{18}-a_{14}=32\) ?

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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3 answers

The time dependence of a physical quantity \(p\) is given by \(p=p_{0} \exp \left(-a t^{2}\right)\), where \(a\) is a constant and \(t\) is the time. The constant a

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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2 answers

A metal crystallises with a face-centred cubic lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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19 answers

What was the happiest time of the day for grandmother?

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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Which is not true with respect to cathode rays?

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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Find the slope of the lines (a) Passing through the points (3, -2) and (-1,4) (b) Passing through the points (3, -2) and (7,-2) (c) Passing through the points (3, -2) and (3,4)

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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Which of the following statement is incorrect about the Biosphere?

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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