CBSE Class 7 Science Metals and Non Metals MCQs

Scroll down for PDF

CBSE Class 7 Science Metals and Non Metals MCQs. Multiple choice questions have become an integral part of the CBSE examination system. Almost all exams have a section for MCQs. Students are advised to refer to the attached MCQ database and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the MCQs to their children for practice.

1. Which of the following is not a heavy metal?
(A) Cu (B) Hg (C) Pb (D) K

2. Gold is mixed with copper to
(A) make gold soft (B) make gold hard
(C) make gold more yellowish (D) give gold lustre

3. Metal surface reacts with oxygen and the moisture present in air and get coated with
(A) oxide (B) carbonate (C) hydroxide (D) any of these

4. Eating away of metals by water, oxygen and other chemicals is called
(A) carbonisation (B) amalgamation (C) oxidation (D) corrosion

5. Rusting of iron requires the presence of
(A) air and water (B) CO2 and water (C) O2 and H2 (D) O2 and N2

6. Al forms
(A) Basic oxide (B) Amphoteric oxide (C) Acidic oxide (D) None of the above

7. Corrosion of metals can be prevented when contact between metal and_____________ is cut off.
(A) nitrogen (B) hydrogen (C) oxygen (D) carbon

8. Iron is galvanised when it is dipped in
(A) molten zinc (B) molten copper (C) molten carbon (D) molten gold

9. The process of giving a coating of__________________to copper or brass is called tinning.
(A) zinc (B) copper (C) tin (D) iron

10. Metal which reacts vigorously with HCI to produce salt and hydrogen is
(A) Na (B) Zn (C) Sn (D) Pb

11. Cu + HCl ®
(A) react vigorously (B) no reaction (C) react modestly (D) react slowly

12. The nonmetal capable of gaining as well as losing an electron is
(A) Hg (B) Ca (C) Ag (D) H

13. The metal with which hydrogen reacts to form metal hydride is
(A) Hg (B) Ca (C) Ag (D) H

14. Nonmetals combine with oxygen to produce
(A) acidic oxides (B) basic oxide (C) amphoteric oxide (D) none of these

15. The oxides of nonmetal which is neutral is
(A) SO2 (B) NO2 (C) P2O3 {D)CO

16. Phosphorus combine with oxygen to form .......... types of oxides.
(A) three (B) two (C) one (D) four

17. _____________dissolves in water to produce sulphuric acid.
(A) SO2 (B) S (C) SO3 (D) 2S

18. Nonmetals + acids ® ?
(A) react slow (B) react violently (C) react moderately (D) no reaction

19. Nonmetals react with hydrogen to form
(A) covalent compounds (B) ionic compounds (C) electrovalent compounds (D) coordinate compounds

20. P4 + 6Cl2 ®
(A) 2P2Cl6 (B) 4PCl3 (C) PCl6 (D) P2Cl5

21. Mercury is used in thermometers because
(A) it does not wet the glass (B) it expands on heating (C) it is a liquid (D) all of these

22. ____________ is used to make photographic films.
(A) sodium chloride (B) silver bromide (C) potassium iodide (D) copper chloride

23. A crucible used in lab to heat solid at high temperature is made of
(A) sulphur (B) silicon (C) graphite (D) phosphorus

Please click the link below to download CBSE Class 7 Science Metals and Non Metals MCQs

Tags: 


Click on the text For more study material for Science please click here - Science

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Tips for exam preparation

Students often get nervous during their exams. The reason behind this nervousness is either a lack of confidence or a lack of preparedness. To overcome these fears students are advised to do their preparation in such a way that will retain their confidence. For this...

CBSE to launch 'Tamanna' aptitude test

Introduction: The poor decisive condition of students to pursue their subject of interest has been an area of concern. To the ease of which CBSE is to launch ‘Tamanna’. An aptitude test in order to provide a line of guidance to students of class 9th and 10th. What is '...

CBSE DATE SHEET 2020

Central Board of Secondary Education, CBSE is to conduct the 10th and 12th Board Examination 2020 from February 15, 2020. Due to University Admissions, CBSE has shifted Board Exams dates from 1 March to February 15 from 2019. This year too CBSE would be making changes...

JEE in Punjabi too after English, Hindi and Gujarati

Punjab Minister Tript Rajinder Singh Bajwa requested the joint technology entrance exam (main) to be conducted in Punjabi and other regional languages too. In his letter to Union HRD Minister Ramesh Pokhriyal Nishank, the Punjab Minister for Higher Education and...

JEE Entrance Exam 2020 Dates Registration Admit Cards Exam Pattern

JEE Entrance exam is conducted for students who wish to pursue engineering in different subjects or categories like mechanical, CS, etc.. It is officially organized and conducted by NTA. Formerly it was organized by CBSE. It avails seats for students in IITs, NITs, and...

×
Studies Today