Kerala PSC Previous Years Question Paper & Answer

Title : junior Lab Assistant
Question Code : A

Page:12


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'junior Lab Assistant' And exam conducted in the year 2023. And Question paper code was '006/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.

page: 12 out of 16
Excerpt of Question Code: 006/2023

06/23

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Name the gas formed when concentrated Nitric acid is added to copper.
A) NO, B) NO C) Hp D) No

Which of the following alloys contain Copper, Tin and Zinc ?
A) Brass B) Bronze C) Gun metal D) German silver

The IUPAC name for

0 0
CH, - ८. 12 - 012 - ८.० ‏ئا‎
‎A) 4-Oxopentanoic acid B) 1, 4-Dioxopentanol
C) 1-Hydroxypentane 1, 4-dione D) 1-Hydroxypentane 1, 5-dione

Which of the following gives silver mirror with Tollen’s reagent ?
A) CH3 -CH,—OH

B) CH, - CHO

©) CH, - CH, - CO - CH, ~ CH,

D) CH; - COOH

Which of the following vitamin deficiency causes convulsion ?
A) Vitamin B, B) Vitamin ‏و8‎
‎C) Vitamin Bg D) Vitamin By,

Arsenic containing medicine used for the treatment of syphilis is
A) Streptomycin B) Novalgin
C) Chloroquine D) Salvarsan

Terylene is a condensation polymer of ethylene glycol and
A) Phthalic acid B) Terephthalic acid
C) Adipic acid D) Benzoic acid

From the following plants, which one is a Dioecious plant ?
A) Coconut B) Cucurbita
C) Date Palm D) Hibiscus

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