Everyday Science MCQs
Q371: Variable valency is generally exhibited by ______?
- A) Transition elements
- B) Normal elements
- C) Metallic elements
Q372: Litharge is?
- A) Lead monoxide (PbO)
- B) Lead dioxide (PbO₂)
- C) Red lead (Pb₃O₄)
Q373: Dual glands are?
- A) Liver
- B) Pancreas
- C) Both A and B
Q374: The breathing and heartbeat are controlled/regulates by?
- A) Endometrium
- B) Medulla oblongata
- C) Hypothalamus
Q375: Mammary glands are functional in ______?
Q376: The periodic table consist of _____?
- A) 7 horizontal series, 18 vertical series and 4 blocks
- B) 8 horizontal series, 7 vertical series and 2 blocks
- C) 7 horizontal series, 7 vertical series and 2 blocks
Q377: If we move down in electrochemical series ______?
- A) Oxidizing ability decrease
- B) Reduction potential will increase
- C) Reduction potential will decrease
Q378: Law of mass action was derived by _____?
- A) C.M. Guldberg
- B) P. Waage
- C) C.M. Guldberg and P. Waage
Q379: Triatomic molecules have following movements?
- A) Vibrational and rotational
- B) Translation and vibrational
- C) Both A and B
Q380: The spectrum of He is expected to be similar to that of ______?