English

Fill in the Blank _______ is a Soft Metal. - Chemistry

Advertisements
Advertisements

Question

Fill in the blank 

_______ is a soft metal. 

Fill in the Blanks

Solution

 Pure gold is a soft metal.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Metals and Non-metals - Objective type questions

APPEARS IN

Selina Concise Chemistry [English] Class 7 ICSE
Chapter 6 Metals and Non-metals
Objective type questions | Q 1.4

RELATED QUESTIONS

State one use of Copper.


The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?


Fill in the following blank with suitable word:

The electrical conductivity and melting point of an alloy is ........... than that of pure metals.


Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.


What elements are present in steel? How are the properties of steel different from those of pure iron?


Which of the following alloys contains mercury as one of the constituents?
(a) stainless steel
(b) solder
(c) duralumin
(d) zinc amalgam


Give reasons 

Gold is mixed with copper and nickel.  


Fill in the blank 

A metal that gives dazzling effect to crackers when they explode is ______


A metal with melting point less than 50°C is


Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  


Tick (√) the most appropriate answer. 

Graphite is used :


Take an element from an alkali metal and one from an alkaline earth metal and write an equation  for their action with:

Hydrochloric acid,


With reference to the following metals state their use in daily life metal:

iron


Match the columns.

Group A Group B
1) Copper and Zinc a) Brass
2) Copper and Tin b) Bronze
  c) Stainless steel

Halogen reacts with acid.


Complete the following flowchart.


Higher Order Thinking Skills.

Aakash noticed that the metal latch on gate was difficult to open during hot sunny days. However, it was not difficult to open the same latch at night. Aakash observed that the latch and the gate are exposed to the sun during day time.

  1. Formulate a hypothesis based on the information provided.
  2. Briefly state how you would test the hypothesis.

Which of the following property is generally not shown by metals?


Metals have high melting points.


X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:

______ is the reducing agent.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×