MCQ
The substance which can produce brisk effervescence with baking soda solution is :
- AEthanol.
- BVegetable oil.
- ✓Vinegar.
- DSoap.
✓
Answer
Correct option: C.
Vinegar.
Vinegar can produce brisk effervescence with the baking soda solution.
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
The following graph shows the concentration of oxygen in a river, measured at stations $1.5,$ each $100\ m$ apart. A sewage outflow is observed just after station $1$. At which stations will the concentration of organic matter be lowest?
→Which of the following can make a parallel beam of light from a bulb falls on it?
A ray of light travelling in air goes into water. The angle of refraction will be:
A student is using a convex lens of focal length $18 \ cm$ to study the image formation by it for the various positions of the object. He observes that when he places the object at $27 \ cm,$ the location of the image is at $54 \ cm$ on the other side of the lens. Identify from the following diagram the three rays that are obeying the laws of refraction and may be used to draw the corresponding ray diagram
→After tracing the path of rays of light through a glass slab for three different angles of incidence, a student measured the corresponding values angle of refraction $r$ and angle of emergence $e$ and recorded them in the table given below :
The correct observations are :
→| S. No. | $\angle\text{ i}$ | $\angle\text{ i}$ | $\angle\theta$ |
| $I$ | $30^{0}$ | $20^{0}$ | $31^{0}$ |
| $II$ | $40^{0}$ | $25^{0}$ | $40^{0}$ |
| $III$ | $50^{0}$ | $31^{0}$ | $49^{0}$ |
At the time of short circuiting, the current in the circuit
Which of the following is not a physical change?
An organism which may be considered to be a kind of plant and reproduces by budding is :
The presence of which of the following types of organs in two animals indicates that they are not derived from a common ancestor
Food chain starts with :