MCQOPTIONS
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MCQOPTIONS
This section includes 268 Mcqs, each offering curated multiple-choice questions to sharpen your Banking And Financial Awareness knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
If the valene shell electronic configuration for an element is \[n{{s}^{2}}n{{p}^{5}}\], this element will belong to the group of- |
| A. | alkali metals |
| B. | inert metals |
| C. | noble gases |
| D. | halogens |
| Answer» E. | |
| 152. |
The chemical name of bleaching powder is |
| A. | calcium chloride |
| B. | calcium oxychloride |
| C. | calcium chloroxide |
| D. | none of above |
| Answer» C. calcium chloroxide | |
| 153. |
Baking powder is |
| A. | a mixture |
| B. | a compound |
| C. | an element |
| D. | a salt |
| Answer» B. a compound | |
| 154. |
The most metallic element in the fourth period is |
| A. | Ca |
| B. | K |
| C. | S |
| D. | P |
| Answer» C. S | |
| 155. |
The element which has least tendency to lose electron is |
| A. | H |
| B. | Li |
| C. | He |
| D. | Na |
| Answer» D. Na | |
| 156. |
Which is a metalloid? |
| A. | Pb |
| B. | Sb |
| C. | B |
| D. | Zn |
| Answer» C. B | |
| 157. |
Reaction of an acid with a base is known as - |
| A. | decomposition |
| B. | combination |
| C. | redox reaction |
| D. | neutralization |
| Answer» E. | |
| 158. |
The acid used in making of vinegar is - |
| A. | formic acid |
| B. | acetic acid |
| C. | sulphuric acid |
| D. | nitric acid |
| Answer» C. sulphuric acid | |
| 159. |
An element 'M' has an atomic number 9 and its atomic mass 19. The ion of M will be represented by |
| A. | M |
| B. | \[{{M}^{2+}}\] |
| C. | \[{{M}^{-}}\] |
| D. | \[{{M}^{2-}}\] |
| Answer» D. \[{{M}^{2-}}\] | |
| 160. |
As you move down the group, the alkali metals become |
| A. | brighter |
| B. | hotter |
| C. | more reactive |
| D. | less reactive |
| Answer» D. less reactive | |
| 161. |
The atomic number of an element tells you the number of ................ in a neutral atom. |
| A. | positrons |
| B. | neutrons |
| C. | electrons |
| D. | All of these |
| Answer» D. All of these | |
| 162. |
When few drops of lemon are mixed with milk (i) it turns sour (ii) no change takes place (iii) properties of milk are changed (iv) properties of milk remain same Which of the above statements is/are correct? |
| A. | (ii) and (iii) |
| B. | (i) and (ii) |
| C. | (i) and (iii) |
| D. | (i) only |
| Answer» D. (i) only | |
| 163. |
Acids are...................... in taste while bases are.................... in taste |
| A. | sweet, salty |
| B. | sweet, sour |
| C. | sour, salty |
| D. | sour, bitter |
| Answer» E. | |
| 164. |
Acid rain is caused due to................... |
| A. | \[C{{O}_{2}},{{O}_{2}},S{{O}_{2}}\] |
| B. | \[C{{O}_{2}},N{{O}_{2}},{{H}_{2}}\] |
| C. | \[S{{O}_{2}},{{N}_{2}},{{O}_{2}}\] |
| D. | \[C{{O}_{2}},S{{O}_{2}},N{{O}_{2}}\] |
| Answer» E. | |
| 165. |
A base which dissolves in water is called |
| A. | soluble base |
| B. | alkali |
| C. | acid |
| D. | oxide |
| Answer» C. acid | |
| 166. |
Which of the following is not a representative element? |
| A. | Fe |
| B. | K |
| C. | Ba |
| D. | N |
| Answer» B. K | |
| 167. |
'Alum' is an example of- |
| A. | single salt |
| B. | double salt |
| C. | acids |
| D. | none of these |
| Answer» C. acids | |
| 168. |
Which of the following elements A, B, C, D and E with atomic number 3, 11, 15, 18 and 19 respectively belong to the same group? |
| A. | A, B, C |
| B. | B, C, D |
| C. | A, D, E |
| D. | A, B, E |
| Answer» E. | |
| 169. |
The scientist who made maximum contribution towards periodic table was |
| A. | Chadwick |
| B. | Rutherford |
| C. | Dalton |
| D. | Mendeleev |
| Answer» E. | |
| 170. |
Which of the following statement regarding bases is false? |
| A. | Bases produce hydroxide ions when dissolved in water |
| B. | Bases are soapy to touch |
| C. | Bases are extremely corrosive in nature |
| D. | Basic solutions are non-conducting in nature |
| Answer» E. | |
| 171. |
Slaked lime is prepared by adding water to - |
| A. | bleaching powder |
| B. | lime water |
| C. | milk of lime |
| D. | quick lime |
| Answer» E. | |
| 172. |
Which of the following is 'quicklime' - |
| A. | CaO |
| B. | \[Ca{{(OH)}_{2}}\] |
| C. | \[CaC{{O}_{3}}\] |
| D. | \[CaC{{l}_{2}}.6{{H}_{2}}O\] |
| Answer» B. \[Ca{{(OH)}_{2}}\] | |
| 173. |
To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is |
| A. | acidic |
| B. | neutral |
| C. | basic |
| D. | corrosive |
| Answer» D. corrosive | |
| 174. |
Common salt besides being used in kitchen can also be used as the raw material for making (i) washing soda (ii) bleaching powder (iii) baking soda (iv) slaked lime |
| A. | (i) and (ii) |
| B. | (i), (ii) and (iv) |
| C. | (i) and (iii) |
| D. | (i), (iii) and (iv) |
| Answer» D. (i), (iii) and (iv) | |
| 175. |
All the members in a group in long form of periodic table have the same |
| A. | valence |
| B. | number of valence electrons |
| C. | chemical properties |
| D. | All of these |
| Answer» E. | |
| 176. |
Which of the following properties generally decrease along a period? |
| A. | Atomic size |
| B. | Non-metallic character |
| C. | Metallic character |
| D. | Both [a] and [c] |
| Answer» E. | |
| 177. |
Bleaching powder gives smell of chlorine because it - |
| A. | is unstable |
| B. | gives chlorine on exposure to atmosphere |
| C. | is a mixture of chlorine and slaked lime |
| D. | contains excess of chlorine |
| Answer» C. is a mixture of chlorine and slaked lime | |
| 178. |
Antacids contain- |
| A. | weak base |
| B. | weak acid |
| C. | strong base |
| D. | strong acid |
| Answer» B. weak acid | |
| 179. |
Which of the following is an alkali? |
| A. | \[Ca{{(OH)}_{2}}\] |
| B. | KOH |
| C. | \[Mg{{(OH)}_{2}}\] |
| D. | \[CaC{{O}_{3}}\] |
| Answer» C. \[Mg{{(OH)}_{2}}\] | |
| 180. |
On moving horizontally across a period, the number of electrons in the outermost shell increases from...... to........ |
| A. | 2, 8 |
| B. | 2, 18 |
| C. | 1, 8 |
| D. | 1, 18 |
| Answer» D. 1, 18 | |
| 181. |
Elements of which group form anions most readily? |
| A. | Oxygen family |
| B. | Nitrogen family |
| C. | Halogens |
| D. | Alkali metals |
| Answer» D. Alkali metals | |
| 182. |
Natural indicator litmus is extracted from |
| A. | lichens |
| B. | earthworms |
| C. | ants |
| D. | algae |
| Answer» B. earthworms | |
| 183. |
Acid contained in the sting of an ant is.................. |
| A. | acetic acid |
| B. | formic acid |
| C. | lactic acid |
| D. | ascorbic acid |
| Answer» C. lactic acid | |
| 184. |
Plaster of Paris hardens by - |
| A. | giving of \[C{{O}_{2}}\] |
| B. | changing into \[CaC{{O}_{3}}\] |
| C. | combining with water |
| D. | giving out water |
| Answer» D. giving out water | |
| 185. |
Calamine solution contains |
| A. | zinc hydroxide |
| B. | zinc carbonate |
| C. | sodium hydrogen carbonate |
| D. | magnesium hydroxide |
| Answer» C. sodium hydrogen carbonate | |
| 186. |
Why bases are kept in glass bottles? |
| A. | Bases produce OH~ ions in aqueous solutions |
| B. | Basic solutions are conducting in nature |
| C. | Bases are corrosive in nature |
| D. | Basis have soapy texture |
| Answer» D. Basis have soapy texture | |
| 187. |
Which of the following elements will form acidic oxide? |
| A. | Sodium |
| B. | Magnesium |
| C. | Aluminium |
| D. | Sulphur |
| Answer» E. | |
| 188. |
Which of the following group of elements belongs to alkali metals? |
| A. | 1, 12, 30, 4, 62 |
| B. | 37, 19, 3, 55 |
| C. | 9, 17, 35, 53 |
| D. | 12, 20, 56, 88 |
| Answer» C. 9, 17, 35, 53 | |
| 189. |
Which of the following is correct set of Dobereiner Triads? |
| A. | Na, Si, Cl |
| B. | Be, Mg, Ca |
| C. | F, Cl, I |
| D. | Li, Na, Be |
| Answer» C. F, Cl, I | |
| 190. |
The elements of group sixteen are called |
| A. | halogens |
| B. | chalcogens |
| C. | pnicogens |
| D. | noble gases |
| Answer» C. pnicogens | |
| 191. |
The early attempt to classify elements as metals and non-metals was made by |
| A. | Mendeleev |
| B. | Lother Meyer |
| C. | Lavoisier |
| D. | Henry Moseley |
| Answer» D. Henry Moseley | |
| 192. |
Select the one that is having pH < 7. |
| A. | lime juice |
| B. | lime water |
| C. | human blood |
| D. | antacid. |
| Answer» B. lime water | |
| 193. |
The presence of which of the following acid causes indigestion: |
| A. | Citric acid |
| B. | Oxalic acid |
| C. | Acetic acid |
| D. | Hydrochloric acid |
| Answer» E. | |
| 194. |
Which of the following is a strong acid: |
| A. | Acetic acid |
| B. | Citric acid |
| C. | Nitric acid |
| D. | Tartaric acid |
| Answer» D. Tartaric acid | |
| 195. |
Which of the following is not a hydrated salt? |
| A. | Blue vitriol |
| B. | Baking soda |
| C. | Washing soda |
| D. | Epsom salt |
| Answer» C. Washing soda | |
| 196. |
Universal indicator solution is named as such because |
| A. | it is available universally |
| B. | it has a universal appearance |
| C. | it can be used for entire pH range |
| D. | all the above are correct |
| Answer» D. all the above are correct | |
| 197. |
Which of the following is not required to find the pH of a given sample? |
| A. | pH paper |
| B. | Litmus paper |
| C. | Universal indicator |
| D. | Standard pH chart |
| Answer» C. Universal indicator | |
| 198. |
When the stopper of a bottle containing colourless liquid was removed, the bottle gave smell like that of vinegar. The liquid in the bottle could be |
| A. | hydrochloric acid |
| B. | sodium hydroxide solution |
| C. | acetic acid solution |
| D. | saturated sodium hydrogen carbonate solution |
| Answer» D. saturated sodium hydrogen carbonate solution | |
| 199. |
Acid turn blue litmus - |
| A. | green |
| B. | red |
| C. | yellow |
| D. | orange |
| Answer» C. yellow | |
| 200. |
The reaction of metal with acid results in the formation of- |
| A. | only hydrogen gas |
| B. | only salt |
| C. | both salt and hydrogen gas |
| D. | none of these |
| Answer» D. none of these | |