MCQ
In making gun-berrel, the steel used is
- A$Fe - Mn$
- B$Fe - Cr$
- C$Fe - W$
- ✓$Ni - Mo$
✓
Answer
Correct option: D.
$Ni - Mo$
d
It’s Obvious.
It’s Obvious.
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
When aniline reacts with $NaN{O_2}$ and dil. $HCl$ at ${0\,^o} - {5\,^o}C,$ the product formed is
→An azeotropic solution of two liquids has a boiling point lower than either of them when it
An aqueous solution of an halogen salt of potassium reacts with same halogen $X_2$ to give $KX_3,$ a browncoloured solution, in which halogen exists as $X_3^-$ ion, $X_2$ as a Lewis acid and $X^-$ as a Lewis base, halogen $X$ is
→Carbohydrates are stored in human body as
Study the graph showing the boiling points of bromoalkanes and identify the compounds.
Choose the correct statement regarding the formation of carbocations $A$ and $B$ given :-
→${C{H_3} - C{H_2} - CH = C{H_2} + HBr\,\to \,CH _{3}- CH _{2}- CH _{2}- C^{+}H _{2}+ Br ^{-}} _{"A"}$
${C{H_3} - C{H_2} - CH = C{H_2} + HBr\, \to \,CH _{3}- CH _{2}- C^{+}H - CH _{3}+ Br ^{-}}_{"B"}$
The pair of metal ions that can give a spin-only magnetic moment of $3.9\, BM$ for the complex $[M(H_2O)_6]Cl_2$ is
→Which of the following oxidation state is common for all lanthanoids?
Anisole $\frac{excess\, HI \,(conc.)}{reflux}$ Product
→For $OF _2$ molecule consider the following:
→$(A)$ Number of lone pairs on oxygen is 2 .
$(B)$ $FOF$ angle is less than $104.5^{\circ}$.
$(C)$ Oxidation state of $O$ is $-2$.
$(D)$ Molecule is bent ' $V$ ' shaped.
$(E)$ Molecular geometry is linear.
Correct options are: