An oxide of copper which is red in colour has the formula : (a) \( \mathrm{CuO} \) (b) \( \mathr...

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=cbaQs8JLcug


Duration: 0:28
0 views
0

An oxide of copper which is red in colour has the formula :
(a) \( \mathrm{CuO} \)
(b) \( \mathrm{Cu}_{2} \mathrm{O} \)
(c) \( \mathrm{CuO}_{2} \)
(d) \( \mathrm{Cu}_{2} \mathrm{O}_{2} \)
P
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-12-02The electrons which take part in order to exhibit variable oxidation states by transition metals...
2022-12-02On heating \( \mathrm{ZnCl}_{2} \cdot 2 \mathrm{H}_{2} \mathrm{O} \), the compound obtained is :...
2022-12-02\( 2 a \) भुजा के समबाहु त्रिभुज का आधार \( y \)-अक्ष के अनुदिश इस प्रकार है कि आधार का मध्य बिन...
2022-12-02Philosopher's wool when heated with \( \mathrm{BaO} \) at \( 1100^{\circ} \mathrm{C} \) gives th...
2022-12-02\( \mathrm{CuSO}_{4} \) solution + lime is called : (a) Lucas reagent (b) Barfoed's reagent P (c...
2022-12-02When ammonia is added to a cupric salt solution, the deep blue colour is observed it is due to t...
2022-12-02Oxide of metal cation which is not amphoteric? (a) \( \mathrm{Al}^{3+} \) (b) \( \mathrm{Cr}^{3+...
2022-12-02The formula of azurite is : (a) \( \mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2} \) (b) \...
2022-12-02The most abundant transition metal in earth crust is : (a) \( \mathrm{Zn} \) (b) \( \mathrm{Fe} ...
2022-12-02In a transition series, as the atomic number increases, paramagnetism : (a) increases gradually ...
2022-12-02An oxide of copper which is red in colour has the formula : (a) \( \mathrm{CuO} \) (b) \( \mathr...
2022-12-02Iron is protected by coating it with a thin layer of : (a) \( \mathrm{Cu} \) (b) \( \mathrm{Zn} ...
2022-12-02In comparison of ferrous salts, ferric salts are : (a) more stable (b) less stable \( \mathrm{P}...
2022-12-02The property, which is not characteristic of transition metals : (a) variable oxidation states (...
2022-12-02Chrome yellow is chemically known as: (a) lead chromate (b) lead sulphate \( \mathrm{P} \) (c) l...
2022-12-02Photographic films or plates have as an essential ingredient. (a) silver oxide (b) silver bromid...
2022-12-02Which of the following statements is incorrect? (a) Mercurous ion exists as \( \mathrm{Hg}^{+} \...
2022-12-02Ferrous sulphate on heating gives : (a) \( \mathrm{SO}_{2} \) and \( \mathrm{SO}_{3} \) (b) \( \...
2022-12-02Chloroplatinic acid is : (a) monobasic (b) dibasic (c) tribasic (d) tetrabasic \( P \) W.
2022-12-02\( \mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{Fe}_{2} \mathrm{O}_{3} \stackrel{\Delta}{\longrightar...
2022-12-02Fe is made passive by : \( \mathrm{P} \) (a) dil. \( \mathrm{H}_{2} \mathrm{SO}_{4} \) (b) dil. ...


Tags:
pw