MCQ
Gallium is in __________ state at room temperature.
  • A
    Plasma.
  • B
    Liquid.
  • C
    Solid.
  • D
    Gaseous.

Answer

  1. Liquid.

Explanation:

Gallium is in liquid state at room temperature. The melting point of gallium is 303K.

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

Isopropylbenzene on air oxidation in the presence of dilute acid gives
An ideal solution has two components $A$ and $B$. If $A$ is more volatile than $B$ and also ${P_A}^o > {P_T}$, then the correct relation between mole fraction of $A$ in liquid $(x)$ and vapour $(y)$ phase is
A dry cell converts chemical energy into:
The correct IUPAC name of Mn3​(CO)12​ is:
Chloroform, on warming with  $ Ag$  powder, gives
Magnetic moment of $Gd^{3+}$ ion $(Z = 64)$ is .......... $B.M.$
Correct order of reactivity of following compounds towards Grignard reagent?
Which of the following compound gives oxygen on fast heating

$(I)\,\, AgNO_3$

$(II)\,\, CaCO_3$

$(III) \,\,Pb(NO_3)_2$

$(IV) \,\,Na_2CO_3$

Two aliphatic aldehydes $\mathrm{P}$ and $\mathrm{Q}$ react in the presence of aqueous $\mathrm{K}_2 \mathrm{CO}_3$ to give compound $\mathrm{R}$, which upon treatment with $\mathrm{HCN}$ provides compound $\mathrm{S}$. On acidification and heating, $\mathrm{S}$ gives the product shown below: $Image$

$1.$ The compounds $\mathrm{P}$ and $\mathrm{Q}$ respectively are

MCQ $Image$

$2.$ The compound $R$ is

MCQ $Image$

$3.$ The compound $\mathrm{S}$ is

MCQ $Image$

Give the answer question $1,2$ and $3.$

Bottles containing $C_6H_5I$ and $C_6H_5-CH_2I$ lost their original labels. They were labelled $A$ and $B$ for testing. $A$ and $B$ were separately taken in a test tube and boiled with $NaOH$ solution. The end solution in each tube was made acidic with dilute $HNO_3$ and then some $AgNO_3$ solution was added. Substance $B$ gave a yellow precipitate. Which one of the following statements is true for this experiment