MCQ
Which oxide is alkaline
- A${P_2}{O_3}$
- ✓$B{i_2}{O_3}$
- C$A{s_2}{O_3}$
- D${B_2}{O_3}$
✓
Answer
Correct option: B.
$B{i_2}{O_3}$
b
(b) $\underbrace {{P_2}{O_3}\,\,\,\,\,\,\,{A_2}{O_3}\,\,\,\,\,\,\,{B_2}{O_3}}_{Acidic\,\,\,Oxides}$ $\underbrace {B{i_2}{O_3}}_{Alkaline}$
(b) $\underbrace {{P_2}{O_3}\,\,\,\,\,\,\,{A_2}{O_3}\,\,\,\,\,\,\,{B_2}{O_3}}_{Acidic\,\,\,Oxides}$ $\underbrace {B{i_2}{O_3}}_{Alkaline}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$1 , 2$ di-bromo cyclohexane on dehydro halogenation gives
→Which is used in the manufacture of safe matchsticks
The number of nitrogen atoms in a semicarbazone molecule of acetone is $.....$
→Correct statement about the given chemical reaction is :
Acetyl chloride does not react with
Which of the following will be coloured ion :
Match the following aspects with the respective metal.
→| Aspects | Metal |
| $(a)$ The metal which reveals a maximum number of oxidation states | $(i)$ Scandium |
| $(b)$ The metal although placed in $3 d$ block is considered not as a transition element | $(ii)$ Copper |
| $(c)$ The metal which does not exhibit variable oxidation states | $(iii)$ Manganese |
| $(d)$ The metal which in $+1$ oxidation state in aqueous solution undergoes disproportionation | $(iv)$ Zinc |
Select the correct option
$[PdCl_2(PMe_3)_2]$ is a diamagnetic complex of $Pd(II)$. How many total isomers are possible of analogous paramagnetic complex of $Ni(II)$ ?
→During the germination of castor seeds, the activity of ................. is very high.
A gas which exists in three allotropic forms $\alpha , \beta$ and $\gamma$ is
→