MCQ
Which of the following element does not occur in liquid form
  • A
    $Hg$
  • $Li$
  • C
    $Ga$
  • D
    $Br$

Answer

Correct option: B.
$Li$
b
Lithium is solid at room temperature and rest all other elements exist as liquids at room temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The species having bond order different from that in $CO$  is
The ratio of the molar amounts of ${H_2}S$ needed to precipitate the metal ions from $20\,mL$ each of $1\,M\;Cd{(N{O_3})_2}$ and $0.5\,M\;CuS{O_4}$ is
$0.1\, M$ formic acid solution is titrated against $0.1 \,M \,NaOH$ solution. What would  be the difference in $pH$ between $1/5$ and $4/5$ stages of neutralization of acid ?
The largest no. of molecules are in
$Ti^+$ is more stable than $TI^{3+}$ due to:
Given below are two statements : one is labelled as Assertion $A$ and the other is labelled as Reason $R$:

Assertion $A$: In the photoelectric effect, the electrons are ejected from the metal surface as soon as the beam of light of frequency greater than threshold frequency strikes the surface.

Reason $R$ : When the photon of any energy strikes an electron in the atom, transfer of energy from the photon to the electron takes place.

In the light of the above statements, choose the most appropriate answer from the options given below :

What will be the value of $x$ and $y$ by balancing the reaction

$C_2H_5OH + xI_2 + yOH^-\to  CHI_3 + HCO_2\,^-+ 5I^-+ 5H_2O$

Which of the following statements is$/$are correct about fuel cells?
Identify the binary mixture$(s)$ that can be separated into individual compounds, by differential extraction, as shown in the given scheme.

$(A)$ $C _6 H _5 OH$ and $C _6 H _5 COOH$

$(B)$ $C _6 H _5 COOH$ and $C _6 H _5 CH _2 OH$

$(C)$ $C _6 H _5 CH _2 OH$ and $C _6 H _5 OH$

$(D)$ $C _6 H _5 CH _2 OH$ and $C _6 H _5 CH _2 COOH$

The percentage of $Se$ in peroxidase anhydrous enzyme is $0.5\%$ by weight (atomic weight $=78.4$). Then minimum molecular weight of peroxidase anhydrous enzyme is