A. Carbon
B. Arsenic
C. Nitrogen
D. Sulphur
Related Mcqs:
- Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?
A. The nature of its oxides
B. The charge on its ions
C. The formula of its oxide
D. Its number of isotopes - Which of the following solids show anisotropy___________________?
A. Plastic
B. Glass
C. Rubber
D. None of the above - Which one of the following does not show hydrogen bonding?
A. Water
B. Ethyl alcohol
C. Phenol
D. Diethyl ether - Which of the following substance do not show continuous solubility curve ?
A. KCIO4
B. Na2SO4. 10H2O
C. K2Cr2O7
D. PbCl2 - When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
A. phenol is unsaturated
B. 2-bromophenol is insoluble in water
C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
D. acid-base reaction - Which one of the following is not the mono isotopic element ?
A. arsenic
B. uranium
C. iodine
D. nickel - Which of the elements show passivity when treated with conc. HNO3?
A. Fe
B. A
C. Cr
D. All of the above - Ethers show functional group isomerism with __________________?
A. aldehydes
B. ketones
C. alcohols
D. carboxylic acid - Aldehydes and ketones both, show the type of Isomerism is __________?
A. chain Isomerism
B. Functional Group Isomerism
C. Metamerism
D. Position IsomerismSubmitted by: Aamir khan Hullio
- Real gases show ideal behavior at_______?
A. Low Temp & High Pressure
B. High Temp & Low Pressure
C. High Temp & High pressure
D. Low Temp & Low PressureSubmitted by: Zahid Jagirani
