MCQ
A carbohydrate consists of
- A$C$ and $O$
- ✓$C,\,\,H$ and $O$
- C$C,\,\,H,\,\,N$ and $O$
- D$C$ and $H$
✓
Answer
Correct option: B.
$C,\,\,H$ and $O$
b
Carbohydrates (also called saccharides) are molecular compounds made from just three elements: Carbon, Hydrogen and Oxygen.
Carbohydrates (also called saccharides) are molecular compounds made from just three elements: Carbon, Hydrogen and Oxygen.
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
Which salt may show the same value of van't Hoff factor $(i)$ as that of $\mathrm{K}_4 \mathrm{Fe}(\mathrm{CN})_6$ in very dilute solution state?
→$\text{A 55- kDa}$ protien was acid hydrolysed to obtain a misture of amino acids. How many amino acids could be present in the solution?
→When a metal rod ${M}$ is dipped into an aqueous colourless concentrated solution of compound ${N}$, the solution turns light blue. Addition of aqueous $\mathrm{NaCl}$ to the blue solution gives a white precipitate ${O}$. Addition of aqueous $\mathrm{NH}_3$ dissolves ${O}$ and gives an intense blue solution.
→$1.$ The metal rod ${M}$ is
$(A)$ $\mathrm{Fe}$ $(B)$ $\mathrm{Cu}$ $(C)$ $\mathrm{Ni}$ $(D)$ $\mathrm{Co}$
$2.$ The compound ${N}$ is
$(A)$ $\mathrm{AgNO}_3$ $(B)$ $\mathrm{Zn}\left(\mathrm{NO}_3\right)_2$
$(C)$ $\mathrm{Al}\left(\mathrm{NO}_3\right)_3$ $(D)$ $\mathrm{Pb}\left(\mathrm{NO}_3\right)_2$
$3.$ The final solution contains
$(A)$ $\left[\mathrm{Pb}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ and $\left[\mathrm{CoCl}_4\right]^{2-}$
$(B)$ $\left[\mathrm{Al}\left(\mathrm{NH}_3\right)_4\right]^{3+}$ and $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$
$(C)$ $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+}$and $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$
$(D)$ $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+}$and $\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}$
Give the answer question $1,2$ and $3.$
For a very dilute solution of $\ce{H_3PO_3}$ van't Hoff factor is:
→Canesugar on hydrolysis gives
Which of the following diazonium salt is relatively stable of $0-5\,^o C$ :
→Arrange following in their basic strength order
Identify the incorrect statement related to $\mathrm{PCl}_{5}$ from the following
→Which of the following is an uncommon hydrolysis product of $XeF_2$ and $XeF_4$?
→Cinnabar is an ore of: