Which one of the following statements regardi | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The correct answer is $(C)$.Helium is actually twice as heavy as hydrogen,not lighter. While it is non-inflammable,the statement that it is lighte

Vedclass · Accepted Answer

It is used to fill gas balloons instead of hydrogen because it is lighter and non-inflammable.

Vedclass · Answer

(C) The correct answer is $(C)$.Helium is actually twice as heavy as hydrogen,not lighter. While it is non-inflammable,the statement that it is lighter than hydrogen is scientifically incorrect.Helium has the lowest melting and boiling points of any element,making liquid helium an ideal coolant for superconducting magnets and cryogenic research.It is also used in gas-cooled nuclear reactors as a heat transfer medium.

$t$ (in second)	$0$	$2$	$4$	$6$	$8$	$10$
$v$ (in m/s)	$0$	$12$	$16$	$20$	$35$	$60$

Which one of the following statements regarding helium is incorrect?

Similar Questions

Which of the following is the weakest base?

If $x^2+px+1$ is a factor of the expression $ax^3+bx+c$,then

The velocity of a particle which starts from rest is given by the following table. The total distance travelled (in metre) by the particle in $10 \ s$,using the Trapezoidal rule is given by:
$t$ (in second) $0$ $2$ $4$ $6$ $8$ $10$
$v$ (in m/s) $0$ $12$ $16$ $20$ $35$ $60$

The coefficient of $x^3 y^4 z^5$ in the expansion of $(x y+y z+x z)^6$ is

Four successive members of the first series of the transition metals are listed below. For which one of them is the standard electrode potential $(E^o_{M^{2+}/M})$ value positive?

Vedclass Test Series

Exam Paper Generator

Online Exam Module