Physical Quantities and SI Units

Which of the following device is a volume measuring device?

If a pressure of gas is increases, so what will be the volume of gas.

Identify the SI unit of volume:

Which of the following is correct?

Which of the following is independent on gravity?

What is the value of $200 °\mathrm{C}$ in Fahrenheit?

Convert $37 °\mathrm{C}$ into Fahrenheit.

The radius of a hydrogen atom is about $0.5 °\mathrm{A}$. Its volume will be _____ $\times {10}^{-7} {\mathrm{m}}^3$.

A hot air balloon with a payload rises in the air. Assume that the balloon is spherical in shape with diameter of $11.7 \mathrm{m}$ and the mass of the ballon and the payload (without the hot air inside) is $210 \mathrm{kg}$ Temperature and pressure of outside air are $27°\mathrm{C}$ and 1 atm $={10}^5 \mathrm{N}/{\mathrm{m}}^2$, respectively. Molar mass of dry air is $30 \mathrm{g}$. The temperature of the hot air inside is close to [The gas constant, $R=831{\mathrm{JK}}^{-1} {\mathrm{mol}}^{-1}$ ]
 

What is the relationship between the C.G.S and S.I. units of density ?

What are the C.G.S.and S.I. units of density respectively ?

What is the C.G.S unit of density ?

What is the SI unit of density ?

What are the different units of temperature ?

What is/are true about calcium carbonate?

$1.520 \text{g}$ of hydroxide of a metal on ignition gave $0.995 \text{g}$ of oxide. The equivalent weight of the metal is

$4\mathrm{gm}$ Of copper was dissolved in concentrated nitric acid. The copper nitrate on strong heating gave $5\mathrm{gm}$  of its oxide. The equivalent mass of copper is

What mass of ${\mathrm{CO}}_2$ will contain same number of atoms as are contained in $20 \mathrm{g}$ of oxygen?

Which of the following substances has the greatest density?

Three persons $X, Y$ and $Z$ are given a gas sample each. They reported the temperature of gas samples to be $17°\mathrm{C},300\mathrm{K}$ and $96.4°\mathrm{F}$. Whose gas sample exerts minimum temperature: