Q. Which of the following compounds is white in colour? i. ZnSO4 ii. CuSO4 iii. FeSO4 iv. FeCl3
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Which of the following can not act as an oxidising agent? i. MnO4- ii. SO42- iii. N3- iv. BrO3-
Parul SinglaTeacher
On which of the following factors does the electrical conductivity of an electrolytic cell does not depend? i. Concentration of electrolyte ii. Amount of electrolyte added iii. Temperature iv. Nature of electrode
ireshBeginner
The phenolic group can be identified by a positive result by which of the following tests? i. Lucas test ii. Carbylamine test iii. Phthalein test iv. Tollen's test
Parul SinglaTeacher
If the diameter of earth becomes half keeping mass to be constant, then the acceleration due to gravity at the surface of earth becomes. (a) Half (b) Four times (c) Twice (d) Three times
Q. Which of the following options contain amphoteric oxide(s) only? i. SnO2 and SiO ii. SiO2 iii. SnO2 and PbO2 iv. CO and SiO
State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria
NityaPundit
A particle has initial velocity \(\mathbf{v} = 5\mathbf{i}\) and is at origin at this instant. Its acceleration is given by \((3\mathbf{i} + 4\mathbf{j})\). When the particle's \(x\)-coordinate is 16 units, then its speed is: (a) 13 units (b) \(\sqrt{161}\) units (c) ...
Which of the following compounds have colour due to d-d transition? A. KMnO4 B. K2Cr2O7 C. K2CrO4 D. CuSO4.5H2O
What are the hydrolysis products of (i) sucrose and (ii) lactose?Â