MCQ
The transition metal used in $X-$ rays tube is
- ✓$Mo$
- B$Ta$
- C$Tc$
- D$Pm$
✓
Answer
Correct option: A.
$Mo$
a
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
Conc. $HNO_3$ is yellow coloured liquid due to
→A clock spring is heated to redness and then plunged into cold water. This treatment will cause it to become
Among the following compounds nitrobenzene, benzene, aniline and phenol, the strongest basic behaviuor in acid medium is exhibited by:
All form ideal solutions except
The reaction of $4$ -bromobenzyl chloride with sodium cyanide in ethanol leads to the formation of
→.
The compound(s) which generate(s) $N _2$ gas upon thermal decomposition below $300^{\circ} C$ is (are)
→$(A)$ $NH _4 NO _3$ $(B)$ $\left( NH _4\right)_2 Cr _2 O _7$ $(C)$ $Ba \left( N _3\right)_2$ $(D)$ $Mg _3 N _2$
Product $(B)$ in this reaction is
→Strong reducing behaviour of $H_3PO_2$ is due to
→Which of the following orders regarding thermal stability of hydrides $MH_3$ of group $15$ is correct?
→